Regioselective functionalization of heterocyclic rings: synthesis and reactions of 1-methyl-2-(trimethylsiloxy)pyrrole and 2-(trimethylsiloxy)thiophene
KIESEWETTER, RENE;MARGARETHA, PAUL, HELV. CHIM. ACTA, 72,(1989) N, C. 83-92
作者:KIESEWETTER, RENE、MARGARETHA, PAUL
DOI:——
日期:——
FIORENZA, M.;REGINATO, G.;RICCI, A.;TADDEI, M., J. ORG. CHEM., 1984, 49, N 3, 551-553
作者:FIORENZA, M.、REGINATO, G.、RICCI, A.、TADDEI, M.
DOI:——
日期:——
COMPOSITION COMPRISING A COMPOUND OF THIOLACTONE TYPE AND A PARTICULAR SOLVENT AND PROCESS FOR TREATING KERATIN MATERIALS WITH THE COMPOSITION
申请人:L'Oreal
公开号:US20200031796A1
公开(公告)日:2020-01-30
The present invention relates to a composition comprising: (a) at least one compound of thiolactone type, and (b) one or more solvents, which may be identical or different, chosen from polar (non-)protic organic solvents; the pH of said composition being less than or equal to 7.
1,4-Addition of silicon dienoates to α,β-unsaturated aldehydes catalyzed by in situ-generated silicon Lewis acid
作者:Hikaru Yanai、Arata Takahashi、Takeo Taguchi
DOI:10.1039/c0cc02438d
日期:——
In situ-generated silyl methide species (R(3)Si-CTf(2)R') effectively catalyzed the reaction of beta-substituted alpha,beta-unsaturated aldehydes with silicon dienoates such as 3-bromo-2-TESO-furan to give the corresponding gamma-adducts with excellent 1,4-selectivity and good anti selectivity.