Month: October 2021

An article Volatome finger printing of red wines made from grapes grown under tropical conditions of India using thermal-desorption gas chromatography-mass spectrometry (TD-GC/MS) WOS:000495355600002 published article about VOLATILE COMPOUNDS; CABERNET-SAUVIGNON; YOUNG WINES; QUANTITATIVE-ANALYSIS; IMPACT ODORANTS; AROMA; COMPONENTS; QUANTIFICATION; IDENTIFICATION; EXTRACTION in [Somkuwar, R. G.; Sharma, A. K.; Kambale, Narayan; Banerjee, Kaushik; Bhange, M. A.; Oulkar, D. P.] ICAR Natl Res Ctr Grapes, Pune 412307, Maharashtra, India in 2020, Cited 37. The Name is Methyl 2,2-dimethoxyacetate. Through research, I have a further understanding and discovery of 89-91-8. Quality Control of Methyl 2,2-dimethoxyacetate

The current study evaluated the key characters of aroma composition in diversified red wines (Cinsaut, Grenache, Cabernet Franc, Petit Verdot, Cabernet Sauvignon, Nielluccio, Tempranillo, Syrah, Merlot and Caladoc). Out of hundreds of volatile compounds 64 compounds were considered for study. Different groups consisting of fatty acids, volatile alcohols, aldehydes, esters, volatile phenols and terpenes were analysed using gas chromatography mass spectrometry coupled with thermal desorption (TD-GC-MS). Among all these diversified classes, alcohols were found as the most dominant group followed by esters and acids whereas aldehydes, phenols and terpenes were found to be minor compounds. Among the varieties, Nielluccio wine recorded highest concentration of total volatile compounds (191.53 mg/L) while, it was least in Caladoc wines (15.45 mg/L). The principal component analysis clearly differentiated Grenache wines based on their relationships between scores and their aroma composition followed by Nielluccio and Cinsuat wines. Out of sixty four compounds, only six aromatic compounds viz. butanediol, isoamyl actate, gamma-Terpene, butanol, acetic acid and furfural have satisfying aroma descriptors with floral and fruity nuances and contribute to differentiate the Grenache wines from other varieties which have similar scores in PC1 analysis. The cluster analysis also suggested that the wines in the same group (Cinsaut, Tempranillo and Syrah), (Cabernet Franc, Cabernet Sauvignon, Caladoc and Merlot) and (Nielluccio and Petit Verdot) had similar aroma characterization. Grenache wines were well differentiated from the sub group formed by other red varieties.

About Methyl 2,2-dimethoxyacetate, If you have any questions, you can contact Somkuwar, RG; Sharma, AK; Kambale, N; Banerjee, K; Bhange, MA; Oulkar, DP or concate me.. Quality Control of Methyl 2,2-dimethoxyacetate

Reference:
Patent; U C B, Societe Anonyme; US4041077; (1977); A;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Application In Synthesis of 6H-Benzo[c]chromen-6-one. I found the field of Chemistry very interesting. Saw the article FACILE PREPARATION OF 3,4-BENZOCOUMARINS FROM 2-ARYLBENZOIC ACIDS WITH NCS AND NaI published in 2020.0, Reprint Addresses Togo, H (corresponding author), Chiba Univ, Grad Sch Sci, Inage Ku, Yayoi Cho 1-33, Chiba 2638522, Japan.. The CAS is 2005-10-9. Through research, I have a further understanding and discovery of 6H-Benzo[c]chromen-6-one.

Treatment of 2-arylbenzoic acids with N-chlorosuccinimide (NCS) and NaI at 70 degrees C under fluorescent lighting condition gave the corresponding 3,4-benzocoumarins in good yields under transition-metal-free condition. It was found that the reactivity of NCS with NaI for the formation of 3,4-benzocoumarins from 2-arylbenzoic acids was as high as that with NIS. Thus, the formation of carboxyl radicals and their cyclization onto an aromatic ring from 2-arylbenzoic acids with much less expensive NCS and NaI, than NIS could be successfully carried out to form 3,4-benzocoumarins.

About 6H-Benzo[c]chromen-6-one, If you have any questions, you can contact Nakamura, M; Togo, H or concate me.. Application In Synthesis of 6H-Benzo[c]chromen-6-one

Reference:
Article; Zhang, Jian; Shi, Dongdong; Zhang, Haifeng; Xu, Zheng; Bao, Hanyang; Jin, Hongwei; Liu, Yunkui; Tetrahedron; vol. 73; 2; (2017); p. 154 – 163;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

HPLC of Formula: C5H10O4. Recently I am researching about VOLATILE COMPOUNDS; CABERNET-SAUVIGNON; YOUNG WINES; QUANTITATIVE-ANALYSIS; IMPACT ODORANTS; AROMA; COMPONENTS; QUANTIFICATION; IDENTIFICATION; EXTRACTION, Saw an article supported by the . Published in SPRINGER INDIA in NEW DELHI ,Authors: Somkuwar, RG; Sharma, AK; Kambale, N; Banerjee, K; Bhange, MA; Oulkar, DP. The CAS is 89-91-8. Through research, I have a further understanding and discovery of Methyl 2,2-dimethoxyacetate

The current study evaluated the key characters of aroma composition in diversified red wines (Cinsaut, Grenache, Cabernet Franc, Petit Verdot, Cabernet Sauvignon, Nielluccio, Tempranillo, Syrah, Merlot and Caladoc). Out of hundreds of volatile compounds 64 compounds were considered for study. Different groups consisting of fatty acids, volatile alcohols, aldehydes, esters, volatile phenols and terpenes were analysed using gas chromatography mass spectrometry coupled with thermal desorption (TD-GC-MS). Among all these diversified classes, alcohols were found as the most dominant group followed by esters and acids whereas aldehydes, phenols and terpenes were found to be minor compounds. Among the varieties, Nielluccio wine recorded highest concentration of total volatile compounds (191.53 mg/L) while, it was least in Caladoc wines (15.45 mg/L). The principal component analysis clearly differentiated Grenache wines based on their relationships between scores and their aroma composition followed by Nielluccio and Cinsuat wines. Out of sixty four compounds, only six aromatic compounds viz. butanediol, isoamyl actate, gamma-Terpene, butanol, acetic acid and furfural have satisfying aroma descriptors with floral and fruity nuances and contribute to differentiate the Grenache wines from other varieties which have similar scores in PC1 analysis. The cluster analysis also suggested that the wines in the same group (Cinsaut, Tempranillo and Syrah), (Cabernet Franc, Cabernet Sauvignon, Caladoc and Merlot) and (Nielluccio and Petit Verdot) had similar aroma characterization. Grenache wines were well differentiated from the sub group formed by other red varieties.

About Methyl 2,2-dimethoxyacetate, If you have any questions, you can contact Somkuwar, RG; Sharma, AK; Kambale, N; Banerjee, K; Bhange, MA; Oulkar, DP or concate me.. HPLC of Formula: C5H10O4

Reference:
Patent; U C B, Societe Anonyme; US4041077; (1977); A;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

HPLC of Formula: C13H8O2. In 2021.0 ANGEW CHEM INT EDIT published article about C-H BONDS; RACEMIC SECONDARY ALCOHOLS; HYDROGEN-PEROXIDE; ASYMMETRIC EPOXIDATION; OXOCARBENIUM IONS; AEROBIC OXIDATION; HYDROXYLATION; MECHANISM; COMPLEX; DESYMMETRIZATION in [Sun, Shutao; Ma, Yingang; Liu, Ziqiang; Liu, Lei] Shandong Univ, Sch Pharmaceut Sci, Jinan 250100, Peoples R China; [Sun, Shutao; Liu, Lei] Shandong Univ, Sch Chem & Chem Engn, Jinan 250100, Peoples R China in 2021.0, Cited 69.0. The Name is 6H-Benzo[c]chromen-6-one. Through research, I have a further understanding and discovery of 2005-10-9.

A manganese-catalyzed oxidative kinetic resolution of cyclic benzylic ethers through asymmetric C(sp(3))-H oxidation is reported. The practical approach is applicable to a wide range of 1,3-dihydroisobenzofurans bearing diverse functional groups and substituent patterns at the alpha position with extremely efficient enantiodiscrimination. The generality of the strategy was further demonstrated by efficient oxidative kinetic resolution of another type of five-membered cyclic benzylic ether, 2,3-dihydrobenzofurans, and six-membered 6H-benzo[c]chromenes. Direct late-stage oxidative kinetic resolution of bioactive molecules that are otherwise difficult to access was further explored.

HPLC of Formula: C13H8O2. About 6H-Benzo[c]chromen-6-one, If you have any questions, you can contact Sun, ST; Ma, YG; Liu, ZQ; Liu, L or concate me.

Reference:
Article; Zhang, Jian; Shi, Dongdong; Zhang, Haifeng; Xu, Zheng; Bao, Hanyang; Jin, Hongwei; Liu, Yunkui; Tetrahedron; vol. 73; 2; (2017); p. 154 – 163;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

An article Application of quantitative structure-activity relationship analysis on an antibody and alternariol-like compounds interaction study WOS:000467857800002 published article about BROAD-SPECIFICITY; MONOCLONAL-ANTIBODY; ORGANOPHOSPHORUS PESTICIDES; MONOMETHYL ETHER; HAPTEN DESIGN; IMMUNOASSAY; RECOGNITION; SELECTIVITY; OFLOXACIN; ELISA in [Wang, Jianyi; Peng, Tao; Xie, Sanlei; Zheng, Pimiao; Yao, Kai; Wang, Zhanhui; Jiang, Haiyang] China Agr Univ, Coll Vet Med, Beijing Key Lab Detect Technol Anim Derived Food, Beijing Adv Innovat Ctr Food Nutr & Human Hlth, Beijing, Peoples R China; [Zhang, Xiya] Henan Agr Univ, Coll Food Sci & Technol, Zhengzhou, Henan, Peoples R China; [Ke, Yuebin] Shenzhen Ctr Dis Control & Prevent, Key Lab Mol Biol, Shenzhen, Peoples R China in 2019.0, Cited 33.0. The Name is 6H-Benzo[c]chromen-6-one. Through research, I have a further understanding and discovery of 2005-10-9. HPLC of Formula: C13H8O2

The antigen-antibody interaction determines the sensitivity and specificity of competitive immunoassay for hapten detection. In this paper, the specificity of a monoclonal antibody against alternariol-like compounds was evaluated through indirect competitive ELISA. The results showed that the antibody had cross-reactivity with 33 compounds with the binding affinity (expressed by IC50) ranging from 9.4 ng/mL to 12.0 mu g/mL. All the 33 compounds contained a common moiety and similar substituents. To understand how this common moiety and substituents affected the recognition ability of the antibody, a three-dimensional quantitative structure-activity relationship (3D-QSAR) between the antibody and the 33 alternariol-like compounds was constructed using comparative molecular field analysis (CoMFA) and comparative molecular similarity indices analysis (CoMSIA) methods. The q(2) values of the CoMFA and CoMSIA models were 0.785 and 0.782, respectively, and the r(2) values were 0.911 and 0.988, respectively, indicating that the models had good predictive ability. The results of 3D-QSAR showed that the most important factor affecting antibody recognition was the hydrogen bond mainly formed by the hydroxyl group of alternariol, followed by the hydrophobic force mainly formed by the methyl group. This study provides a reference for the design of new hapten and the mechanisms for antibody recognition.

HPLC of Formula: C13H8O2. About 6H-Benzo[c]chromen-6-one, If you have any questions, you can contact Wang, JY; Peng, T; Zhang, XY; Xie, SL; Zheng, PM; Yao, K; Ke, YB; Wang, ZH; Jiang, HY or concate me.

Reference:
Article; Zhang, Jian; Shi, Dongdong; Zhang, Haifeng; Xu, Zheng; Bao, Hanyang; Jin, Hongwei; Liu, Yunkui; Tetrahedron; vol. 73; 2; (2017); p. 154 – 163;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Xia, SQ; Hu, KJ; Lei, CH; Jin, J in [Xia, Siqi; Lei, Chuanhu] Shanghai Univ, Coll Sci, Ctr Supramol Chem & Catalysis, Shanghai 200444, Peoples R China; [Xia, Siqi; Lei, Chuanhu] Shanghai Univ, Coll Sci, Dept Chem, Shanghai 200444, Peoples R China; [Xia, Siqi; Hu, Kunjun; Jin, Jian] Chinese Acad Sci, Univ Chinese Acad Sci, Shanghai Inst Organ Chem, CAS Key Lab Synthet Chem Nat Subst,Ctr Excellence, Shanghai 20032, Peoples R China published Intramolecular Aromatic C-H Acyloxylation Enabled by Iron Photocatalysis in 2020.0, Cited 73.0. Computed Properties of C13H8O2. The Name is 6H-Benzo[c]chromen-6-one. Through research, I have a further understanding and discovery of 2005-10-9.

A mild and efficient protocol for the intramolecular aromatic C-H oxygenation of 2-biphenylcarboxylic acids has been achieved via iron photocatalysis. The 2-biphenylcarboxylic acids with a diverse array of substituents at both phenyl rings could furnish the oxygenation products in good to excellent yields. We speculate that the aryl carboxylate-iron(III) complexes should generate the aroyloxy radicals and iron(II) upon visible light irradiation.

About 6H-Benzo[c]chromen-6-one, If you have any questions, you can contact Xia, SQ; Hu, KJ; Lei, CH; Jin, J or concate me.. Computed Properties of C13H8O2

Reference:
Article; Zhang, Jian; Shi, Dongdong; Zhang, Haifeng; Xu, Zheng; Bao, Hanyang; Jin, Hongwei; Liu, Yunkui; Tetrahedron; vol. 73; 2; (2017); p. 154 – 163;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

COA of Formula: C10H10O2. Authors Ishida, N; Kamae, Y; Ishizu, K; Kamino, Y; Naruse, H; Murakami, M in AMER CHEMICAL SOC published article about in [Ishida, Naoki; Kamae, Yoshiki; Ishizu, Keigo; Kamino, Yuka; Naruse, Hiroshi; Murakami, Masahiro] Kyoto Univ, Dept Synthet Chem & Biol Chem, Kyoto 6158510, Japan in 2021.0, Cited 35.0. The Name is Methyl 3-phenyl-2-propenoate. Through research, I have a further understanding and discovery of 103-26-4

Herein described is a sustainable system for hydrogenation that uses solar light as the ultimate source of energy. The system consists of two steps. Solar energy is captured and chemically stored in the first step; exposure of a solution of azaxanthone in ethanol to solar light causes an energy storing dimerization of the ketone to produce a sterically strained 1,2-diol. In the second step, the chemical energy stored in the vicinal diol is released and used for hydrogenation; the diol offers hydrogen onto alkenes and splits back to azaxanthone, which is easily recovered and reused repeatedly for capturing solar energy.

About Methyl 3-phenyl-2-propenoate, If you have any questions, you can contact Ishida, N; Kamae, Y; Ishizu, K; Kamino, Y; Naruse, H; Murakami, M or concate me.. COA of Formula: C10H10O2

Reference:
Article; Weng, Shiue-Shien; Ke, Chih-Shueh; Chen, Fong-Kuang; Lyu, You-Fu; Lin, Guan-Ying; Tetrahedron; vol. 67; 9; (2011); p. 1640 – 1648;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Formula: C13H8O2. Authors Xu, P; Lopez-Rojas, P; Ritter, T in AMER CHEMICAL SOC published article about in [Xu, Peng; Lopez-Rojas, Priscila; Ritter, Tobias] Max Planck Inst Kohlenforsch, D-45470 Mulheim, Germany in 2021.0, Cited 49.0. The Name is 6H-Benzo[c]chromen-6-one. Through research, I have a further understanding and discovery of 2005-10-9

Abundant aromatic carboxylic acids exist in great structural diversity from nature and synthesis. To date, the synthetically valuable decarboxylative functionalization of benzoic acids is realized mainly by transition-metal-catalyzed decarboxylative cross couplings. However, the high activation barrier for thermal decarboxylative carbometalation that often requires 140 degrees C reaction temperature limits both the substrate scope as well as the scope of suitable reactions that can sustain such conditions. Numerous reactions, for example, decarboxylative fluorination that is well developed for aliphatic carboxylic acids, are out of reach for the aromatic counterparts with current reaction chemistry. Here, we report a conceptually different approach through a low-barrier photoinduced ligand to metal charge transfer (LMCT)-enabled radical decarboxylative carbometalation strategy, which generates a putative high-valent arylcopper(III) complex, from which versatile facile reductive eliminations can occur. We demonstrate the suitability of our new approach to address previously unrealized general decarboxylative fluorination of benzoic acids.

Formula: C13H8O2. About 6H-Benzo[c]chromen-6-one, If you have any questions, you can contact Xu, P; Lopez-Rojas, P; Ritter, T or concate me.

Reference:
Article; Zhang, Jian; Shi, Dongdong; Zhang, Haifeng; Xu, Zheng; Bao, Hanyang; Jin, Hongwei; Liu, Yunkui; Tetrahedron; vol. 73; 2; (2017); p. 154 – 163;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

I found the field of Agriculture very interesting. Saw the article Impact evaluation of growth stage and species on morpho-physiological traits and bioactive constituent of essential oil in Ocimum through multi-year experiment published in 2020.0. Recommanded Product: Methyl 3-phenyl-2-propenoate, Reprint Addresses Sakure, AA (corresponding author), Anand Agr Univ, Dept Agr Biotechnol, Anand, Gujarat, India.. The CAS is 103-26-4. Through research, I have a further understanding and discovery of Methyl 3-phenyl-2-propenoate

The genus Ocimum displays excellent variability among the species and sub-species due to the highly crosspollinated nature and interspecific hybridization. The present investigation was carried out to identify the commercially promising growth stage(s) in different Ocimum for exatraction of oil and bioactive compounds at heighest. A set of three cultivated species were evaluated to study the variation in morpho-physiological traits and essential oil composition harvested at three stages namely vegetative, flowering and seed setting stage. The experiment was conducted for three consecutive years in factorial randomized complete block design with three replicates. The analysis of variance exhibited that the individual effect of Ocimum species and growth stage along with their interaction effect was significant in all the morpho-physiological parameters and bioactive constituent of oil in a pooled analysis. Highest plant height (103.95 cm) was observed in O. gratissimum L. harvested at seed setting stage while harvesting at flowering stage exhibited maximum leaf area (26.80 cm(2)), oil (0.52 %) and eugenol content (85.82 %). Sweet basil harvested at seed setting stage disclosed maximum branches per plant (21.53) and leaves per plant (4949) although linalool content (47.99 %) was found highest in harvested at flowering stage. O. basilicum L. was detected a great source of methyl chavicol (7.48 %) though this species was weaker source for methyl cinnamate. Among the studied species, O. gratissimum showed a negligible amount of methyl eugenol content in oil. A positive correlation between the morpho-physiological traits, oil content and its constituents with the various growth stages were recorded. None of bioactive compounds exhibited any correlation with oil content. Principle component analysis revealed that of the total variation, O. gratissimum contributed maximum (61.58 %) variation followed by O. basilicum (35.36 %). The results of current study suggested that the different Ocimum species can be harvest at various growth stages to get the maximum yield and target chemical compounds based on the needy industrial value.

Recommanded Product: Methyl 3-phenyl-2-propenoate. About Methyl 3-phenyl-2-propenoate, If you have any questions, you can contact Thounaojam, AS; Sakure, AA; Dhaduk, HL; Kumar, S; Mistry, JG or concate me.

Reference:
Article; Weng, Shiue-Shien; Ke, Chih-Shueh; Chen, Fong-Kuang; Lyu, You-Fu; Lin, Guan-Ying; Tetrahedron; vol. 67; 9; (2011); p. 1640 – 1648;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

I found the field of Science & Technology – Other Topics very interesting. Saw the article Merging shuttle reactions and paired electrolysis for reversible vicinal dihalogenations published in 2021.0. Computed Properties of C10H10O2, Reprint Addresses Morandi, B (corresponding author), Swiss Fed Inst Technol, Lab Organ Chem, Dept Chem & Appl Biosci, Zurich, Switzerland.; Waldvogel, SR (corresponding author), Johannes Gutenberg Univ Mainz, Dept Chem, Mainz, Germany.. The CAS is 103-26-4. Through research, I have a further understanding and discovery of Methyl 3-phenyl-2-propenoate

Vicinal dibromides and dichlorides are important commodity chemicals and indispensable synthetic intermediates in modern chemistry that are traditionally synthesized using hazardous elemental chlorine and bromine. Meanwhile, the environmental persistence of halogenated pollutants necessitates improved approaches to accelerate their remediation. Here, we introduce an electrochemically assisted shuttle (e-shuttle) paradigm for the facile and scalable interconversion of alkenes and vicinal dihalides, a class of reactions that can be used both to synthesize useful dihalogenated molecules from simple alkenes and to recycle waste material through retro-dihalogenation. The reaction is demonstrated using 1,2-dibromoethane, as well as 1,1,1,2-tetrachloroethane or 1,2-dichloroethane, to dibrominate or dichlorinate, respectively, a wide range of alkenes in a simple setup with inexpensive graphite electrodes. Conversely, the hexachlorinated persistent pollutant lindane could be fully dechlorinated to benzene in soil samples using simple alkene acceptors.

Computed Properties of C10H10O2. About Methyl 3-phenyl-2-propenoate, If you have any questions, you can contact Dong, XC; Roeckl, JL; Waldvogel, SR; Morandi, B or concate me.

Reference:
Article; Weng, Shiue-Shien; Ke, Chih-Shueh; Chen, Fong-Kuang; Lyu, You-Fu; Lin, Guan-Ying; Tetrahedron; vol. 67; 9; (2011); p. 1640 – 1648;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics