Conversions by Dimethyldioxirane of 1-Alkylbenzotriazoles into Their N-Oxides and of 2-Alkylbenzotriazoles into 2-Alkyl-trans-4,5,6,7-diepoxy-4,5,6,7-tetrahydrobenzotriazoles
摘要:
Dimethyldioxirane converted 1-alkylbenzotriazoles 4 to the corresponding 3-alkylbenzotriazole 1-oxides 5 in good yields, but transformed 2-alkylbenzotriazoles 12 into 2-alkyl-trans-4,5,6,7-diepoxy-4,5,6,7-tetrahydrobenzotriazoles 13.
cetyltrimethylammonium bromide in catalyzing C–N bond formation has been studied with respect to N-alkylations of benzotriazole (Bt). Alkylations with various alkylating agents and the addition of Bt across activateddoublebonds in the Michael fashion occurred successfully in fair-to-good yields in the aqueous micellar regime. These reactions provided a mixture of N-1 and N-2 alkylated products, with a marked preference
Katritzky, Alan R.; Jesorka, Aldo; Wang, Jin, Liebigs Annalen, 1996, # 5, p. 745 - 755
作者:Katritzky, Alan R.、Jesorka, Aldo、Wang, Jin、Yang, Baozhen、Wu, Jing、Steel, Peter J.
DOI:——
日期:——
Conversions by Dimethyldioxirane of 1-Alkylbenzotriazoles into Their <i>N</i>-Oxides and of 2-Alkylbenzotriazoles into 2-Alkyl-<i>trans-</i>4,5,6,7-diepoxy-4,5,6,7-tetrahydrobenzotriazoles
作者:Alan R. Katritzky、Rexiat Maimait、Sergey N. Denisenko、Peter J. Steel、Novruz G. Akhmedov
DOI:10.1021/jo010194g
日期:2001.8.1
Dimethyldioxirane converted 1-alkylbenzotriazoles 4 to the corresponding 3-alkylbenzotriazole 1-oxides 5 in good yields, but transformed 2-alkylbenzotriazoles 12 into 2-alkyl-trans-4,5,6,7-diepoxy-4,5,6,7-tetrahydrobenzotriazoles 13.