substituted vinyl sulfoxides so far reported, (Z)-3-p-tolylsulfinyl acrylonitriles are proposed as the best sulfinyl dienophiles. The stereoselective synthesis of these compounds was optimized by hydrocyanation of sulfinyl alkynes with Et2AlCN. Their behavior as chiral dienophiles and dipolarophiles is responsible for the high stereocontrol of Diels–Alder and 1,3-dipolar reactions, respectively. © 2002 Wiley
通过分析迄今为止报道的不同取代
乙烯基亚砜的优缺点,(Z)-3-p-
甲苯基亚磺酰基
丙烯腈被认为是最好的亚磺酰基亲二烯体。这些化合物的立体选择性合成通过亚磺酰基
炔烃与 Et2AlCN 的氢
氰化作用进行了优化。它们作为手性亲二烯体和偶极体的行为分别导致 Diels-Alder 和 1,3-偶极反应的高度立体控制。© 2002 Wiley Periodicals, Inc. 杂原子
化学 13:453–462, 2002; 在线发表于 Wiley Interscience (www.interscience.wiley.com)。DOI 10.1002/hc.10066