申请人:Taiwan Biotech Co., Ltd.
公开号:US20130331599A1
公开(公告)日:2013-12-12
Provided is a compound of the following formula (I) for preparing 4-(
10
B)borono-L-phenylalnine:
wherein R group represents a protecting group and is selected from the group consisting of: tert-butoxycarbonyl (Boc) group, trityl (Trt) group, 3,5-dimethoxyphenylisopropoxycarbonyl(Ddz) group, 2-(4-Biphenyl)isopropoxycarbonyl (Bpoc) group, and 2-nitrophenylsulfenyl (Nps) group, and the compound has a
10
B purity higher than or equal to 98% and an enantiomeric excess higher than or equal to 99%.
提供了以下公式(I)的化合物,用于制备4-(10B)硼基-L-苯丙氨酸:
其中R基代表保护基,选自以下组合:叔丁氧羰基(Boc)基团,三苯基(Trt)基团,3,5-二甲氧基苯异丙氧羰基(Ddz)基团,2-(4-联苯基)异丙氧羰基(Bpoc)基团和2-硝基苯基硫基(Nps)基团,该化合物的10B纯度高于或等于98%,对映体过量高于或等于99%。