A novel stereoselective synthesis of 3-hydroxyazetidines starting from 2,3-hydroxyazetidines starting from 2,3-epoxyamines is described. Regioselectivity of the intramolecular cyclization of 2,3-epoxyamines is controlled by the use of magnesium bromide. The cyclization proceeds with retention of the stereochemistry, caused by double inversion of two sequential S(N)2 reactions of the epoxyamines. (C) 1997 Elsevier Science Ltd.
机构:
UNIV ROMA LA SAPIENZA,DIPARTIMENTO CHIM,CNR,CTR STUDIO CHIM SOSTANZE ORGAN NAT,I-00185 ROME,ITALYUNIV ROMA LA SAPIENZA,DIPARTIMENTO CHIM,CNR,CTR STUDIO CHIM SOSTANZE ORGAN NAT,I-00185 ROME,ITALY
BONINI, C
RIGHI, G
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UNIV ROMA LA SAPIENZA,DIPARTIMENTO CHIM,CNR,CTR STUDIO CHIM SOSTANZE ORGAN NAT,I-00185 ROME,ITALYUNIV ROMA LA SAPIENZA,DIPARTIMENTO CHIM,CNR,CTR STUDIO CHIM SOSTANZE ORGAN NAT,I-00185 ROME,ITALY
机构:
UNIV ROMA LA SAPIENZA,DIPARTIMENTO CHIM,CNR,CTR STUDIO CHIM SOSTANZE ORGAN NAT,I-00185 ROME,ITALYUNIV ROMA LA SAPIENZA,DIPARTIMENTO CHIM,CNR,CTR STUDIO CHIM SOSTANZE ORGAN NAT,I-00185 ROME,ITALY
BONINI, C
RIGHI, G
论文数: 0引用数: 0
h-index: 0
机构:
UNIV ROMA LA SAPIENZA,DIPARTIMENTO CHIM,CNR,CTR STUDIO CHIM SOSTANZE ORGAN NAT,I-00185 ROME,ITALYUNIV ROMA LA SAPIENZA,DIPARTIMENTO CHIM,CNR,CTR STUDIO CHIM SOSTANZE ORGAN NAT,I-00185 ROME,ITALY