作者:Yi-Yin Ku、Tim Grieme、Yu-Ming Pu、Ashok V. Bhatia
DOI:10.1002/adsc.200900162
日期:2009.8
chemical steps and a salt formation step in 36% overall yield from 6-bromo-2-naphthalenol 9. The key features are a regioselective Suzuki coupling protocol for selective vinylation of 12 with potassium vinyltrifluoroborate in high yield (92%) with excellent regioselectivity (90:2) and a base-catalyzed hydroamination reaction of 11 in an anti-Markovnikov fashion under mild reaction conditions. An optimized
有效的和选择性的组胺3受体拮抗剂1A的高效合成是通过四个化学步骤和成盐步骤完成的,其中6-溴-2-萘酚9的总收率为36%。主要特征是区域选择性Suzuki偶联方案,可高产率(92:9)以优异的区域选择性(90:2)选择性地用乙烯基三氟硼酸钾选择性乙烯基化12,并在温和反应下以反马尔科夫尼可夫的方式进行11的碱催化加氢胺化反应情况。优化的铜催化交叉偶联反应用于掺入哒嗪酮4。