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Communication | Special issue | Vol 59, No. 1, 2003, pp.107-113
Published online, 1st January, 1970
DOI: 10.3987/COM-02-S42
Toward the Assignment of Liposidomycin Stereochemistry: Synthesis of 1,4-Diazepan-3-One Analogues by Reductive Amination Approach

Noriyuki Nakajima,* Takahiro Isobe, Shiro Irisa, and Makoto Ubukata*

*Biotechnology Research Center, Toyama Parefectural University, 5180 Kurokawa, Kosugi, Toyama 939-0398


Toward the assignment of liposidomycin stereochemistry, a stereocontrolled synthesis of the liposidomycin diazepanone ring system and two precursors, has been achieved. The NMR coupling constants of a 5-phenyl model compound closely related to the liposidomycin diazepanone degradation product.