New class of mixed cuprate(I) reagents, lithium hetero(alkyl) cuprate(I), which allow selective alkyl group transfer
作者:Gary H. Posner、Charles E. Whitten、Jeffrey J. Sterling
DOI:10.1021/ja00804a041
日期:1973.11
PATERSON I.; FLEMING I., TETRAHEDRON LETT., 1979, NO 23, 2179-2182
作者:PATERSON I.、 FLEMING I.
DOI:——
日期:——
PATERSON, IAN, TETRAHEDRON, 44,(1988) N 13, 4207-4219
作者:PATERSON, IAN
DOI:——
日期:——
α-alkylation and α-alkylidenation of carbonyl compounds by o-silylated enolate phenylthioalkylation
作者:Ian Paterson
DOI:10.1016/s0040-4020(01)86667-9
日期:1988.1
For many reactions next to a carbonyl group, the use of O-silylated enolatechemistry offers improvements in yield and selectivity over the corresponding reactions of Group I metal enolates. In the case of α-alkylation of carbonylcompounds, Lewis-acid (TiCL4 or ZnBr2) promoted phenylthioalkylation of O-silylated enolates 3 by α-chlorosulphides 4 (R3=H, Me, Prn, Pri, But, and Me3Si), followed by reductive