Total synthesis of scytophycin C. 2. Coupling reaction of the C(1)-C(18) segment and the C(19)-C(31) segment, a key macrolactonization, and the crucial terminal amidation reaction |
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| Authors: | Nakamura Ryoichi Tanino Keiji Miyashita Masaaki |
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| Institution: | Graduate School of Science, Division of Chemistry, Hokkaido University, Sapporo 060-0810, Japan. |
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| Abstract: | reaction: see text] Stereoselective syntheses of the C(1)-C(18) segment (segment A) and the C(19)-C(31) segment (segment B) are described in the preceding paper. This paper reports the key coupling reaction of both segments, 22-membered lactonization, and the crucial terminal amidation reaction culminating in the total synthesis of scytophycin C. |
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