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PPh 3 ‐Catalyzed Ring‐Expansion Reactions of Sulfamate‐Derived Cyclic Imines with Acetylenedicarboxylates
Author(s) -
Yang Zhilin,
Yu Hao,
Zhang Lei,
Wei Hang,
Xiao Yumei,
Chen Lanzhen,
Guo Hongchao
Publication year - 2014
Publication title -
chemistry – an asian journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.18
H-Index - 106
eISSN - 1861-471X
pISSN - 1861-4728
DOI - 10.1002/asia.201301082
Subject(s) - ring (chemistry) , catalysis , chemistry , reaction conditions , medicinal chemistry , reactive intermediate , combinatorial chemistry , organic chemistry
The PPh 3 ‐catalyzed ring‐expansion reaction of sulfamate‐derived cyclic imines with acetylenedicarboxylates has been developed. The reaction works quite efficiently under very mild conditions to afford benzo[ g ][1,2,3]oxathiazocine‐4,5‐dicarboxylate 2,2‐dioxide derivatives in high yields.
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