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Phosphine-catalyzed [4+2] cycloaddition of sulfamate-derived cyclic imines with allenoates: synthesis of sulfamate-fused tetrahydropyridines

✍ Scribed by Yu, Hao; Zhang, Lei; Li, Zhen; Liu, Honglei; Wang, Bo; Xiao, Yumei; Guo, Hongchao

Book ID: 122199446
Publisher: Elsevier Science
Year: 2014
Tongue: French
Weight: 788 KB
Volume: 70
Category: Article
ISSN: 0040-4020
DOI: 10.1016/j.tet.2013.11.063

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## Abstract A new family of aspartic acid derivatives is obtained through cycloaddition reactions of oxazolones (I) with allenoate (II), providing restricted cyclopentanyl aspartic acid analogues (III) and (IV) under mild conditions.