Intramolecular C−N Bond Formation Reactions Catalyzed by Ruthenium Porphyrins: Amidation of Sulfamate Esters and Aziridination of Unsaturated Sulfonamides
作者:Jiang-Lin Liang、Shi-Xue Yuan、Jie-Sheng Huang、Chi-Ming Che
DOI:10.1021/jo0358877
日期:2004.5.1
dianion) catalyzed intramolecular amidation of sulfamate esters p-X-C6H4(CH2)2OSO2NH2 (X = Cl, Me, MeO), XC6H4(CH2)3OSO2NH2 (X = p-F, p-MeO, m-MeO), and Ar(CH2)2OSO2NH2 (Ar = naphthalen-1-yl, naphthalen-2-yl) with PhI(OAc)2 to afford the corresponding cyclic sulfamidates in up to 89% yield with up to 100% substrate conversion; up to 88% ee was attained in the asymmetric intramolecular amidation catalyzed
钌卟啉[Ru(F 20 -TPP)(CO)](F 20 -TPP = 5,10,15,20-四(五氟苯基)卟啉对二阴离子)和[Ru(Por *)(CO)](Por * = 5,10,15,20-四[[1 S,4 R,5 R,8 S)-1,2,3,4,5,6,7,8-八氢-1,4:5,8- dimethanoanthracen -9-基]卟啉二价阴离子)催化的氨基磺酸酯的分子内酰胺化p -XC 6 ħ 4(CH 2)2 OSO 2 NH 2(X =氯,甲基,MEO),XC 6 H ^ 4(CH 2)3 OSO 2 NH 2(X = p -F,p -MeO,m -MeO)和Ar(CH 2)2 OSO 2 NH 2(Ar =萘-1-基,萘-2-基)与PhI(OAc)2一起制得相应的环状氨基磺酸盐,产率高达89%,底物转化率高达100%;在[Ru(Por *)(CO)]催化下的不对称分子内酰胺化反