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Organocatalytic Asymmetric Sulfa-Michael/Michael Addition Reactions: A Strategy for the Synthesis of Highly Substituted Chromans with a Quaternary Stereocenter

✍ Scribed by Xu-Fan Wang; Qiu-Lin Hua; Ying Cheng; Xiao-Lei An; Qing-Qing Yang; Dr. Jia-Rong Chen; Prof. Dr. Wen-Jing Xiao

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
503 KB
Volume
49
Category
Article
ISSN
0044-8249

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✦ Synopsis

Chromans form the core of numerous natural products and synthetic analogues displaying a broad and interesting range of biological activities. [1] In particular, the chiral chroman skeleton plays an important role in various therapeutic areas. [1d] For example, (À)-siccanin, isolated from the culture broth of Heleminthosposium siccans, exhibited potent antifungal activity against the pathogentic fungi Trichophyton interdigitale, Trichophyton asteroids, Epidermophyton, and Mycosporum (Figure 1). [2] Rubioncolin B belongs to a class of [*] X.

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