期刊
CHEMISTRY-AN ASIAN JOURNAL
卷 9, 期 1, 页码 313-318出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asia.201301082
关键词
heterocycles; imines; organocatalysis; ring expansion; synthetic methods
资金
- National Natural Science Foundation of China [21172253]
- Program for New Century Excellent Talents in University [NCET-11-0481]
- National Scientific and Technology Supporting Program of China [2011BAE06B05-5]
- National S&T Pillar Program of China [2012BAK25B03]
- Chinese Universities Scientific Fund [2013J002, 2013RC023]
- Nutrichem
The PPh3-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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