Synthesis of imidazo[4,5-e]thiazolo[2,3-c]-1,2,4-triazine-2,8-diones via a rearrangement of imidazo[4,5-e]thiazolo[3,2-b]-1,2,4-triazine-2,7-diones in the reaction with isatins
作者:Galina A. Gazieva、Alexei N. Izmest'ev、Yulia V. Nelyubina、Natalya G. Kolotyrkina、Igor E. Zanin、Angelina N. Kravchenko
DOI:10.1039/c5ra07669b
日期:——
4-triazine-2,8(3H,7H)-diones in good to high yields via a one-pot reaction of 1,3-dialkyl-3,3a,9,9a-tetrahydroimidazo[4,5-e]thiazolo[3,2-b]-1,2,4-triazine-2,7(1H,6H)-diones and 1H-indole-2,3-diones (isatins) or through the generation and rearrangement of 1,3-dialkyl-6-(2-oxo-1,2-dihydro-3H-indol-3-ylidene)-3,3a,9,9a-tetrahydroimidazo[4,5-e]thiazolo[3,2-b]-1,2,4-triazine-2,7(1H,6H)-diones has been developed
醇醛缩合/骨架重排的1,3-二烷基-7-(2-氧代-1,2-二氢-3-合成协议ħ -吲哚-3-亚基)-1,3-一个,4,9-一个-四氢咪唑并[4,5- e ]噻唑并[2,3 - c ] -1,2,4-三嗪-2,8 (3 H,7 H)-二酮通过一锅法反应得高收率,1,3-二烷基-3,3-一个,9,9-一个-tetrahydroimidazo [4,5- ë ]噻唑并[3,2- b ] -1,2,4-三嗪-2,7(1 ħ,6 ħ) -二酮和1 H-吲哚-2,3-二酮(isatins)或通过1,3-二烷基-6-(2-氧代-1,2-二氢-3 H-吲哚-3-亚烷基)-3,3的产生和重排一个,9,9-一个-tetrahydroimidazo [4,5- ë ]噻唑并[3,2- b ] -1,2,4-三嗪-2,7(1 ħ,6 ħ) -二酮已经研制成功。