Citation:
Xin Zhou, Mei Yue Zhang, Shu Tao Gao, Jing Jun Ma, Chun Wang, Chao Liu. An efficient synthesis of 1,5-benzodiazepine derivatives catalyzed by boric acid[J]. Chinese Chemical Letters,
;2009, 20(8): 906-908.
doi:
10.1016/j.cclet.2009.03.033
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1,5-Benzodiazepine derivatives have been synthesized by the condensation of o-phenylenediamines and ketones in the presence of boric acid as catalyst under mild conditions. This method is simple, environmentally benign and high yielding.
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