A Tandem Ester Cleavage-Michael Addition Reaction for the Synthesis of Oxygen Heterocycles
作者:R. A. Bunce、M. J. Bennett
DOI:10.1080/00397919308013298
日期:1993.4
Abstract A tandem ester cleavage-Michael addition sequence has been developed for the preparation of five- and six-ring oxygen heterocycles bearing an acetic acid residue at C-2. Treatment of ethyl 6- or 7-acetyloxy-2-alkenoates with ethanolic sodium ethoxide affords the tetrahydrofuran and tetrahydropyran products in 70–90% yields. The reaction is clean and appears to be a generalroute for the preparation
Lithium perchlorate-assisted substitution reactions of allylic acetates and allylic alcohols
作者:William H. Pearson、Jeffrey M. Schkeryantz
DOI:10.1021/jo00037a004
日期:1992.5
Substitution reactions of allylic acetates and allylic alcohols by a variety of nucleophiles proceed smoothly in the presence of lithium perchlorate in ether, providing a convenient alternative to transition metal catalyzed methods.
Allylsilanes in Organic Synthesis: A Method for the Introduction of Two Carbon Substituents in Place of Carbonyl Oxygen
作者:Ian Fleming、Ian Paterson
DOI:10.1055/s-1979-28713
日期:——
FLEMINO I.; PATERSON I., SYNTHESIS, 1979, NO 6, 446-448
作者:FLEMINO I.、 PATERSON I.
DOI:——
日期:——
LAROCK R. C.; OERTLE K.; POTTER G. F., J. AMER. CHEM. SOC., 1980, 102, NO 1, 190-197