Category: 16974-11-1

Julia, Marc published the artcileSyntheses via sulfones. XXXVII. Synthesis of three pheromones with a Z double bond: (Z)-8-DDA, (Z)-9-DDA, and (Z)-9-TDA, Application of (Z)-Dodec-9-en-1-yl acetate, the publication is Tetrahedron (1986), 42(9), 2469-74, database is CAplus.

The title compounds, Z-8-dodecen-1-yl acetate, Z-9-dodecen-1-yl acetate, and Z-9-tetradecen-1-yl acetate, have been synthesized in 3 efficient steps. The reaction mixture from lithiated HO(CH₂)_nSO₂Ph (n = 8, 9) and Me(CH₂)_mCHO (m = 1-3) was quenched with Ac₂O yielding a diastereoisomeric mixture of β-acetoxy sulfones. Convergent elimination with powd. NaOH led to E-Me(CH₂)_mCH:C(SO₂Ph)(CH₂)_n-1OAc. Stereospecific hydrogenolysis of the sulfonyl group was carried out with sodium dithionite leading to the unsaturated alcs. (>99% Z), which were reesterified.

Tetrahedron published new progress about 16974-11-1. 16974-11-1 belongs to esters-buliding-blocks, auxiliary class Aliphatic Chain, name is (Z)-Dodec-9-en-1-yl acetate, and the molecular formula is C14H26O2, Application of (Z)-Dodec-9-en-1-yl acetate.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics

Batista-Pereira, Luciane G. published the artcileIsolation, Identification, Synthesis, and Field Evaluation of the Sex Pheromone of the Brazilian Population of Spodoptera frugiperda, Application of (Z)-Dodec-9-en-1-yl acetate, the publication is Journal of Chemical Ecology (2006), 32(5), 1085-1099, database is CAplus and MEDLINE.

Several studies have shown intraspecific geog. variation in the composition of sex pheromones. Pheromone lures from North America and Europe were not effective against the fall armyworm Spodoptera frugiperda (Smith, 1797) (Lepidoptera: Noctuidae) in Brazil, so the authors examined the composition of the sex pheromone produced by females from Brazilian populations. Virgin female gland extracts contained (Z)-7-dodecenyl acetate (Z7-12:Ac), (E)-7-dodecenyl acetate (E7-12:Ac), dodecyl acetate, (Z)-9-dodecenyl acetate, (Z)-9-tetradecenyl acetate (Z9-14:Ac), (Z)-10-tetradecenyl acetate, tetradecyl acetate/(Z)-11-tetradecenyl acetate (Z11-16:Ac), and (Z)-11-hexadecenyl acetate. The relative proportions of each acetate were 0.8:1.2:0.6:traces:82.8:0.3:1.5:12.9, resp. This is the first time that E7-12:Ac has been reported from the pheromone gland of S. frugiperda. Only three compounds, Z9-14:Ac, Z7-12:Ac, and E7-12:Ac, elicited antennal responses, and there were no differences in catch between traps baited with either Z7-12:Ac + Z9-14:Ac or Z7-12:Ac + Z9-14:Ac + Z11-16:Ac blends. However, the Z7-12:Ac + Z9-14:Ac + E7-12:Ac blend was significantly better than Z7-12:Ac + Z9-14:Ac, indicating that E7-12:Ac is an active component in the sex pheromone of the Brazilian populations of S. frugiperda.

Journal of Chemical Ecology published new progress about 16974-11-1. 16974-11-1 belongs to esters-buliding-blocks, auxiliary class Aliphatic Chain, name is (Z)-Dodec-9-en-1-yl acetate, and the molecular formula is C14H26O2, Application of (Z)-Dodec-9-en-1-yl acetate.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics

Dunkelblum, E. published the artcileIdentification of sex pheromone components from pheromone gland volatiles of the tomato looper, Plusia chalcites (Especially), Formula: C14H26O2, the publication is Journal of Chemical Ecology (1987), 13(5), 991-1003, database is CAplus and MEDLINE.

The sex pheromone glands of P. chalcites released dodecyl acetate, (Z)-7-dodecenyl acetate, (Z)-9-dodecenyl acetate, 11-dodecenyl acetate, (Z)-8-tridecenyl acetate, and (Z)-9-tetradecenyl acetate. A combination of capillary gas chromatog., gas chromatog.-mass spectrometry, and di-Me disulfide derivatization enabled a rigorous identification of all these compounds, some of which were previously found in gland extracts Bioassays in a flight tunnel showed that a ternary blend of (Z)-7-dodecenyl acetate, (Z)-9-dodecenyl acetate, and (Z)-9-tetradecenyl acetate elicited directed flights from 85-100% of the males tested and elicited copulation attempts, at the end of the flights, from 44-74% of the males tested. This blend was equal in activity to the natural gland extract Addition of the other acetates had only a slight influence on the activity of this mixture Substitution of either (Z)-9-dodecenyl acetate or (Z)-9-tetradecenyl acetate in this blend by 11-dodecenyl acetate gave 2 ternary mixtures which also elicited high levels of courtship activity, almost as high as that of the original blend. Addition of (Z)-7-dodecenyl alc. inhibited almost totally the flight activity of males.

Journal of Chemical Ecology published new progress about 16974-11-1. 16974-11-1 belongs to esters-buliding-blocks, auxiliary class Aliphatic Chain, name is (Z)-Dodec-9-en-1-yl acetate, and the molecular formula is C14H26O2, Formula: C14H26O2.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics

Niwa, Christine G. published the artcileSex pheromone chemistry of the southwestern pine tip moth (Lepidoptera: Tortricidae), Quality Control of 16974-11-1, the publication is Environmental Entomology (1992), 21(6), 1410-13, database is CAplus.

Chem. anal. and field bioassays were conducted to identify major components of the sex pheromone of the southwestern pine tip moth, R. neomexicana. E-9-dodecenyl acetate was the most abundant pheromone component in gland washes, with 0.5-1.5 ng per female equivalent Z-9-dodecenyl acetate, and E- and Z-9-dodecenol were also present. A ratio of �0:20 E:Z-9-dodecenyl acetate was the most attractive bait in field trapping. No males were caught in traps baited with a blend of E- and Z-9-dodecenol, and addition of these alcs. at about a 3:1 acetate/alc. ratio did not improve attractiveness to E- and Z-9-dodecenyl acetate baits. The role of pheromones in mating isolation of this species is discussed.

Environmental Entomology published new progress about 16974-11-1. 16974-11-1 belongs to esters-buliding-blocks, auxiliary class Aliphatic Chain, name is (Z)-Dodec-9-en-1-yl acetate, and the molecular formula is C14H26O2, Quality Control of 16974-11-1.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics

Niwa, Christine G. published the artcileChemistry and field evaluation of the sex pheromone of ponderosa pine tip moth, Rhyacionia zozana (Lepidoptera: Tortricidae), COA of Formula: C14H26O2, the publication is Environmental Entomology (1987), 16(6), 1287-90, database is CAplus.

Chem. analyses, electroantennograms, and field bioassays were conducted to determine the sex pheromone of the ponderosa pine tip moth. The most abundant pheromone component was E-9-dodecenyl acetate with a lesser amount of E-9-dodecenol also present. While acetate/alc. ratios averaged 70:30 in gland washes, male moths were most attracted to sticky traps with synthetic baits containing ratios ranging from 70:30 to 95:5. Laboratory and field tests suggest that Z-9-dodecenyl acetate may also be a pheromone component. No Z-9-dodecenol was detected using gas chromatog.-mass spectrometry methods.

Environmental Entomology published new progress about 16974-11-1. 16974-11-1 belongs to esters-buliding-blocks, auxiliary class Aliphatic Chain, name is (Z)-Dodec-9-en-1-yl acetate, and the molecular formula is C14H26O2, COA of Formula: C14H26O2.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics

del Carmen Alcudia-Leon, Maria published the artcileDetermination of the three main components of the grapevine moth pest pheromone in grape-related samples by headspace-gas chromatography- mass spectrometry, Formula: C14H26O2, the publication is Separations (2017), 4(4), 31/1-31/7, database is CAplus.

The grapevine moth (Lobesia botrana) is the most significant pest of viticulture. This article reports the development of an anal. method that allows the instrumental determination of the three main pheromone components of the pest ((E,Z)-7,9-dodecadien-1-yl acetate, (E,Z)-7,9-dodecadien-1-ol and (Z)-9-dodecen-1-yl acetate) in grape-related samples (must, table grape and wine grape). The combination of headspace, gas chromatog. and mass spectrometry provides limits of detection in the range of 60-420 ng/Kg and precision, expressed as a relative standard deviation, better than 8.5%. This anal. approach is rapid and simple and opens a door to the study of the pest incidence on the final products.

Separations published new progress about 16974-11-1. 16974-11-1 belongs to esters-buliding-blocks, auxiliary class Aliphatic Chain, name is (Z)-Dodec-9-en-1-yl acetate, and the molecular formula is C14H26O2, Formula: C14H26O2.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics

Korblova, Eva published the artcilePreparation of (Z)- and (E)-9-dodecenyl acetates, Formula: C14H26O2, the publication is Collection of Czechoslovak Chemical Communications (1985), 50(10), 2284-8, database is CAplus.

The pheromones (Z)- and (E)-EtCH:CH(CH₂)₈OAc were synthesized via the acetylenic precursor, 9-decyn-1-ol, prepared from tetrahydrofurfuryl chloride and Me(CH₂)₅Br. The OH groups of the intermediates in the subsequent steps were protected by the ethoxyethyl group.

Collection of Czechoslovak Chemical Communications published new progress about 16974-11-1. 16974-11-1 belongs to esters-buliding-blocks, auxiliary class Aliphatic Chain, name is (Z)-Dodec-9-en-1-yl acetate, and the molecular formula is C14H26O2, Formula: C14H26O2.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics

Nesterova, I. P. published the artcileDetermination of isomer composition of insect sex pheromones using capillary gas-liquid chromatography, Application of (Z)-Dodec-9-en-1-yl acetate, the publication is Zhurnal Analiticheskoi Khimii (1982), 37(8), 1491-3, database is CAplus.

A 50 m long 0.25 mm diameter steel column, coated on the inside with 1,2,3-tris(β-cyanethoxy)propane, was used for determining the geometric and position isomer composition of 21 insect pheromones, consisting of mono- and diene alcs. and their acetates. N was the carrier gas and the column. temperature was 160°. The coefficient of discrimination depended on the presence of functional group, mol. length, the degree of unsaturation, and position and configuration of the double bond. Alcs. were eluted after acetates, and cis-isomers of monounsaturated alcs. and their acetates were eluted after trans-isomers. trans-7-cis-9-dodecadien-1-ol  [54364-60-2] And trans-7-cis-9-dodecadien-1-yl acetate  [54364-62-4] were eluted before trans-7-trans-9-dodecadien-1-ol  [54364-61-3] and trans-7-trans-9-dodecadien-1-yl acetate  [54364-63-5].

Zhurnal Analiticheskoi Khimii published new progress about 16974-11-1. 16974-11-1 belongs to esters-buliding-blocks, auxiliary class Aliphatic Chain, name is (Z)-Dodec-9-en-1-yl acetate, and the molecular formula is C14H26O2, Application of (Z)-Dodec-9-en-1-yl acetate.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics

Andrade, Romano published the artcileOptimization of a pheromone lure for Spodoptera frugiperda (Smith) in Central America, SDS of cas: 16974-11-1, the publication is Journal of the Brazilian Chemical Society (2000), 11(6), 609-613, database is CAplus.

Mass trapping of Spodoptera frugiperda (Smith) in Central America required a high performance lure with consistent capture rates. S. frugiperda lures from North America and England gave erratic capture rates under field conditions. A reinvestigation of four acetate attractants (Z9-14Ac, Z11-16Ac, Z7-12Ac and Z9-12Ac) for S. frugiperda present in Costa Rica revealed that Z7-12Ac and Z9-12Ac were highly attractive to S. frugiperda when presented alone. Binary combination of Z7-12Ac with Z9-14Ac significantly increased attraction and was at least 10 times more attractive to S. frugiperda in Costa Rica than North American or English lures. Addition of Z11-16Ac to binary combinations of Z9-14Ac and Z7-12Ac marginally increased capture rates. If the concentration of Z7-12Ac is increased to 5% in lures containing Z9-14Ac, Z11-16Ac and Z7-12Ac capture rates significantly decrease. The optimized lure contains Z7-12Ac that is a component not previously reported in S. frugiperda from the Caribbean region.

Journal of the Brazilian Chemical Society published new progress about 16974-11-1. 16974-11-1 belongs to esters-buliding-blocks, auxiliary class Aliphatic Chain, name is (Z)-Dodec-9-en-1-yl acetate, and the molecular formula is C14H26O2, SDS of cas: 16974-11-1.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics

Kim, Junheon published the artcileA co-attractant mixture of (Z)-11-tetradecenyl acetate and (Z)-9-dodecenyl acetate for Neocalyptis angustilineata and Homona magnanima, HPLC of Formula: 16974-11-1, the publication is Journal of Asia-Pacific Entomology (2014), 17(4), 659-661, database is CAplus.

While monitoring for the seasonal occurrence of the tea tortrix moth, Homona magnanima Diakonoff (Lepidoptera: Tortricidae), a number of Neocalyptis angustilineata (Walsingham) were attracted to traps baited with H. magnanima attractant, a 9:1 blend of (Z)-11-tetradecenyl acetate (Z11-14Ac) and (Z)-9-dodecenyl acetate (Z9-12Ac). We evaluated a 1:1 blend (1 mg) and a 9:1 blend (1 mg) of Z11-14Ac and Z9-12Ac for their attractiveness to the two moth species. H. magnanima was attracted only to the 9:1 blend. However, N. angustilineata was equally attracted to both blends. Thus, we report the 9:1 blend as a co-attractant for N. angustilineata and H. magnanima. This blend is the first finding for the attractant for N. angustilineata.

Journal of Asia-Pacific Entomology published new progress about 16974-11-1. 16974-11-1 belongs to esters-buliding-blocks, auxiliary class Aliphatic Chain, name is (Z)-Dodec-9-en-1-yl acetate, and the molecular formula is C14H26O2, HPLC of Formula: 16974-11-1.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics