Rh(III)-Catalyzed C(7)-H Alkylation of Quinolines in the Synthesis of Angular π-Extended Pyrroloquinolines for Single-Component White-Light Emission was written by Khot, Nandkishor Prakash;Mahato, Paritosh;Sajeev, T. K.;Mukherjee, Saptarshi;Kapur, Manmohan. And the article was included in Organic Letters in 2022.Category: esters-buliding-blocks This article mentions the following:
Reported herein is a sustainable approach for a regioselective Rh(III)-catalyzed C(7)-H alkylation of 8-aminoquinolines via metal carbene migratory insertion. This transformation displays a high functional group tolerance and exquisite site selectivity to afford the C-7 alkylated products I [R1 = H, 2-Me, 3-Br, etc., R2 = Me, Et, Ar = Ph, 4-FC6H4, 2-furyl, etc.]. These products were derivatized to afford π-extended angular pyrroloquinolines II [R3 = H, Me, R4 = H, 7-(4-HOC6H4), 7-(4-MeOC6H4), Ar1 = Ph, 3-FC6H4, 2-thienyl, etc.], one of which, II [R3 = R4 = H, Ar = 2-thienyl], showed white-light emission (WLE) with CIE coordinates (0.26, 0.34). An excellent cell viability and in vivo cellular imaging substantiated the nontoxic nature of these compounds In the experiment, the researchers used many compounds, for example, Ethyl 3-oxo-3-(m-tolyl)propanoate (cas: 33166-79-9Category: esters-buliding-blocks).
Ethyl 3-oxo-3-(m-tolyl)propanoate (cas: 33166-79-9) belongs to esters. Volatile esters with characteristic odours are used in synthetic flavours, perfumes, and cosmetics. Certain volatile esters are used as solvents for lacquers, paints, and varnishes. Because of their lack of hydrogen-bond-donating ability, esters do not self-associate. Consequently, esters are more volatile than carboxylic acids of similar molecular weight.Category: esters-buliding-blocks
Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics