Diastereoselective 1,2-addition of lithiated N-(trialkylsilyl)methylphenylsulfoximines to aldehydes: preparation of 1,4,3-oxathiazin-2(6H)-one 4-oxides as novel cyclic sulfoximines
Treatment of β-keto sulfoximines with triflic anhydride and Hünig’s base in toluene resulted in the formation of S-alkynyl sulfoximines in good yield.
在甲苯中使用三氟乙酸酐和Hünig碱处理β-酮亚磺酰胺,可以高产率地生成S-炔基亚磺酰胺。
CH Activation in S-Alkenyl Sulfoximines: An Endo 1,5-Hydrogen Migration
Intramolecular redox reaction: Heating N‐alkyl, N‐allyl‐, and N‐benzyl‐substituted S‐alkenyl sulfoximines under appropriate conditions results in the formation of NH‐S‐alkyl sulfoximines. The intramolecular redox reaction involves a hydride transfer that occurs by a 6‐endo‐trig process. The intermediates in the reaction can also give access to four‐ and six‐membered heterocyclic rings and a new class
Stereospecific synthesis of N-acyl-(E)-vinyl-, dienyl-, and enynylsulfoximines
作者:Robert S. Paley、Stephanie R. Snow
DOI:10.1016/s0040-4039(00)97977-2
日期:1990.1
afforded NTBDMS-(E)-vinylsulfoximines, whereas dienylsulfoximines and enynylsulfoximines were obtained by treatment with divinylalanes and alkynylalanes in a Pd(0)-catalyzed process. The N-pivaloyl derivative of each sulfoximine was readily prepared.
2-Sulfonimidoylylidene tetrahydrofurans and 2-sulfonimidoylylidene-5-vinyl tetrahydrofurans were readily synthesized via a consecutive acylation/SN2 sequence with total regio- and chemoselectivity from Johnson's sulfoximine derivatives. The same consecutive reaction could also be applied to the expeditious synthesis of 6-sulfonimidoylmethyl-3,4-dihydro-2H-pyrans. (C) 2009 Elsevier Ltd. All rights reserved.
A study of asymmetric induction during the addition of enolate nucleophiles, having sulfoximine chiral auxiliaries, to diene-molybdenum and dienyliron complexes
作者:Anthony J. Pearson、Sheri L. Blystone、Herbert Nar、A. Alan Pinkerton、Brian A. Roden、Jaeyon Yoon