49639-03-4Relevant articles and documents
A method for the conversion of sulfoximines to sulfones: Application to polymer-bound sulfoximines and to the synthesis of chiral sulfones
Hachtel, Jochen,Gais, Hans-Joachim
, p. 1457 - 1465 (2007/10/03)
Reaction of N-alkyl, N-aryl, and N-H sulfoximines with m- chloroperbenzoic acid cleanly gives the corresponding sulfones in high yield. In the case of the cleavage of N-alkyl and N-arylsulfoximines, formation of the corresponding nitroso compounds as the other reaction product was proven. Starting from enantio- and diastereopure sulfoximines, a number of chiral sulfones, including the axially chiral sulfone 6 and the sulfonyl- functionalized homoallylic alcohol 8, have been prepared. Reaction of the enantiopure sulfoximine 30 with Merrifield resin gave the polymer-bound sulfoximine 32. Oxidative cleavage of 32 afforded the sulfone 16 in high yield. Deprotonation of the sulfoximine resin 32 and reaction of Li-32 with benzaldehyde and propanal furnished the β-hydroxysulfoximine resins 33a and 33b, respectively. Oxidative cleavage of 33a and 33b readily afforded the β- hydroxy sulfones 14a and 14b, respectively.
Regioselective Preparation of Allylic Sulfones by Palladium-Catalyzed Reactions of Allylic Nitro Compounds with Sodium Benzenesulfinate
Ono, Noboru,Hamamoto, Isami,Kawai, Takashi,Kaji, Aritsune,Tamura, Rui,Kakihana, Masato
, p. 405 - 410 (2007/10/02)
Treatment of allylic nitro compounds with sodium benzenesulfinate in the presence of 5 molpercent of Pd(PPh3)4 in N,N-dimethylformamide (DMF) at 20-70 deg C for 1-10 h resulted in the formation of allylic sulfones with predominance of kinetically controll
Chemo-, Regio-, and Diastereoselective Alkylation via Lewis Acid Promoted Substitutions of Sulfones
Trost, Barry M.,Ghadiri, M. Reza
, p. 1098 - 1100 (2007/10/02)
-