Synthesis of isoxazolo[4,5-e][1,4]diazepin-5-ones from 5-acyl-4-(haloacetylamino)isoxazoles
摘要:
Treatment of 5-benzoyl-4-(iodoacetylamino)isoxazoles with alcoholic ammonia leads to isoxazolo[4,5-e][1,4]diazepin-5-ones, whereas the analogous chloroacetylamino derivatives are converted into a mixture of the deacylated 4-aminoisoxazoles and isoxazolo[4,5-d]pyrimidines.
Theoretical study of the mechanism of formation of 4-aminoisoxazoles. 2*. An unusual rearrangement of oximinonitriles
作者:V. P. Kislyi、E. B. Danilova、V. N. Solkan
DOI:10.1007/s10593-013-1342-x
日期:2013.10
4-aminoisoxazoles and 5-aminooxazoles are formed from the anion of one of the oximinonitrile lithium complexes. The formation of 5-aminooxazoles proceeds through an unusual anion rearrangement. The thermodynamic parameters of the transition states were calculated to explain the predominant formation of 4-aminoisoxazoles.
The invention relates to compounds of Formula (I) wherein the substituents are as defined in claim
1;
to compositions comprising said compounds and to their use as pharmaceutical agents.
Synthesis of isoxazolo[4,5-e][1,4]diazepin-5-ones from 5-acyl-4-(haloacetylamino)isoxazoles
作者:Victor P. Kislyi、Evgenia B. Danilova、Victor V. Semenov
DOI:10.1016/j.mencom.2012.03.011
日期:2012.3
Treatment of 5-benzoyl-4-(iodoacetylamino)isoxazoles with alcoholic ammonia leads to isoxazolo[4,5-e][1,4]diazepin-5-ones, whereas the analogous chloroacetylamino derivatives are converted into a mixture of the deacylated 4-aminoisoxazoles and isoxazolo[4,5-d]pyrimidines.