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ChemInform Abstract: Asymmetric Synthesis of Calyculin C. Part 2. Synthesis of the C26-C37 Fragment and Model Wittig Couplings.

✍ Scribed by A. K. OGAWA; J. A. DEMATTEI; G. R. SCARLATO; J. E. TELLEW; L. S. CHONG; R. W. ARMSTRONG

Publisher
John Wiley and Sons
Year
2010
Weight
32 KB
Volume
28
Category
Article
ISSN
0931-7597

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✦ Synopsis

Asymmetric Synthesis of Calyculin C. Part 2. Synthesis of the C26-C37 Fragment and Model Wittig Couplings. -The C26-C37 fragment (VIII) of the serine/threonine phosphatase inhibitor calyculin C is synthesized by coupling of the C33-C37 aza-sugar (II) with the C26-C32-aminooxazole (VI). The phosphonium salt ( VIII) is used in a Wittig olefination for joining both halves of the natural product. -(OGAWA, A. K.; DEMATTEI, J. A.;

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