1-(2-Butadienyl)pyridinium Bromide, A Novel Diene in Diels-Alder Reactions
摘要:
1-(3-Sulfolenyl)pyridinium bromide (4) serves as the stable precursor for a novel, positively charged diene 6 which undergoes [4 + 2] cycloadditions with a number of electron-poor dienophiles.
A polymer-supported silyl triflate and subsequent functionalization: synthesis and solid-phase Diels-Alder reactions of silyloxydienes
作者:Eric M. Smith
DOI:10.1016/s0040-4039(99)00440-2
日期:1999.4
The synthesis of a polymer-supported silyl triflate and subsequent functionalization with enolizable α, β-unsaturated aldehydes and ketones to form silyloxydienes is reported herein. This novel route is ideal for the generation of substrates for solid-phase Diels-Alder reactions. The silyl triflate and diene synthesis, subsequent [4 + 2] cycloadditions, and electrophilic cleavage are described.Figure
[EN] FUSED CYCLIC SUCCINIMIDE COMPOUNDS AND ANALOGS THEREOF, MODULATORS OF NUCLEAR HORMONE RECEPTOR FUNCTION<br/>[FR] COMPOSES D'IMIDES SUCCINIQUES CYCLIQUES ACCOLES ET LEURS ANALOGUES, MODULATEURS DE LA FONCTION DU RECEPTEUR D'HORMONES NUCLEAIRES
申请人:BRISTOL MYERS SQUIBB CO
公开号:WO2002067939A1
公开(公告)日:2002-09-06
Fused cyclic compounds, methods of using such compounds in the treatment of nuclear hormone receptor-associated conditions such as cancer and immune disorders, and pharmaceutical compositions containing such compounds.
Fused cyclic succinimide compounds and analogs thereof, modulators of nuclear hormone receptor function
申请人:——
公开号:US20040087548A1
公开(公告)日:2004-05-06
Fused cyclic compounds, methods of using such compounds in the treatment of nuclear hormone receptor-associated conditions such as cancer and immune disorders, and pharmaceutical compositions containing such compounds.
1-(3-Sulfolen-3-yl)pyridinium bromide (5) and 1-(3-methyl-2-sulfolen-4-yl)pyridinium bromide (35) have been prepared and served as the stable precursors for the cation-substituted dienes 6a and 32a, respectively. Compounds 6a and 32a are reactive dienes in the Diels-Alder reactions with a number of electron-poor dienophiles. Some [4 + 2] cycloadditions of 66 and 32a can take place in water.
FUSED CYCLIC SUCCINIMIDE COMPOUNDS AND ANALOGS THEREOF, MODULATORS OF NUCLEAR HORMONE RECEPTOR FUNCTION