期刊
TETRAHEDRON-ASYMMETRY
卷 24, 期 18, 页码 1063-1068出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetasy.2013.05.015
关键词
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资金
- FCT [PTDC/QUI/67407/2006]
- FCT
- FEDER
- EU
- CQ/UM [PEst-C/QUI/UI0686/2011(FCOMP-01-0124-FEDER-022716)]
- program 'Compromisso com a Ciencia' reference [C2008-UMINHO-CQ-03]
- [SFRH/BD/61290/2009]
- Fundação para a Ciência e a Tecnologia [SFRH/BD/61290/2009] Funding Source: FCT
Two D-erythrose 1,3-butadienes were reacted with electrophilic achiral t-butyl 2H-azirine 3-carboxylate giving cycloadducts with good yields and moderate selectivity. The isomers could be separated to give the major (R)-isomers at C-2 in approximately 50% yield in both cases. Alternatively LACASA-DA methodology was applied to one of the reactions leading to homochiral (R)- and (S)-products by changing the chiral nature of an extra chiral BINOL inductor used. (C) 2013 Elsevier Ltd. All rights reserved.
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