作者:Dieter Enders、Stefan Wallert
DOI:10.1016/s0040-4039(02)00980-2
日期:2002.7
The asymmetric synthesis of 3-substituted 1,2-thiazetidine 1,1-dioxides by cyclization of β-amino-sulfonyl chlorides is reported. The synthesis is based on the aza-Michael addition of (R,R,R)-2-amino-3-methoxymethyl-2-azabicyclo[3.3.0]octane (RAMBO) to alkenyl–sulfonates.
据报道,通过β-氨基磺酰氯的环化反应,可以不对称地合成3-取代的1,2-噻唑烷1,1-二氧化物。合成基于将(R,R,R)-2-氨基-3-甲氧基甲基-2-氮杂双环[3.3.0]辛烷(RAMBO)的氮杂-迈克尔加成到烯基磺酸盐上。