申请人:Consortium fur elektrochemische Industrie GmbH
公开号:US20030097015A1
公开(公告)日:2003-05-22
Silanes of the formula
R
1
a
R
4−a−x
SiL
x
(I)
where each R is identical or different and is a monovalent, optionally substituted hydrocarbon radical which is free of aliphatic carbon-carbon multiple bonds and has from 1 to 18 carbon atoms per radical,
R
1
is an optionally substituted 2-norbornyl radical,
L is a leaving group,
a is 1, 2 or 3 and
x is 1 or 2,
with the proviso that the sum of a+x≦4, are useful for protecting functional groups of organic compounds (2) which have at least one functional group having an active hydrogen atom, preferably as a hydroxyl group —OH, a thiol groups —SH, an amine group -NH- or -NH
2
, a carboxyl group —COOH, or an amide group —CONH— or —CONH
2
.
式为R1aR4−a−xSiLx(I)的硅烷化合物,其中每个R相同或不同,是一种单价的、可选择性取代的、不含有脂肪族碳-碳多键的、每个基团中含有1至18个碳原子的碳氢基团;R1是一种可选择性取代的2-去甲莰基基团;L是一种离去基团;a为1、2或3;x为1或2;且a+x≤4。这些化合物可用于保护有至少一个活性氢原子的有机化合物(2)的官能团,这些官能团包括羟基—OH、硫醇基—SH、胺基—NH-或-NH2、羧基—COOH或酰胺基—CONH—或—CONH2。