期刊
TETRAHEDRON
卷 70, 期 2, 页码 340-348出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2013.11.063
关键词
Phosphine; Cycloaddition; Allenoate; Cyclic imines; Sulfamate
资金
- National Natural Science Foundation of China [21172253, 21372256]
- 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 [2013QJ002, 2013RC023]
- Nutrichem
Using n-PrPPh2 as the nucleophilic catalyst, the [4+2] cycloaddition reaction of the sulfamate-derived cyclic imines with allenoates works efficiently to yield various sulfamate-fused tetrahydropyridines in high yields with excellent diastereoselectivities. Using amino acid-based bifunctional phosphine as chiral catalyst, an asymmetric [4+2] cycloaddition reaction was achieved, giving chiral sulfamate-fused tetrahydropyridines in high yields with good enantiomeric excesses. (C) 2013 Elsevier Ltd. All rights reserved.
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