Phototransposition chemistry of methylisothiazoles and methylthiazoles
摘要:
Methylisothiazoles undergo phototransposition in neutral solution to methylthiazoles by a single permutation process. Methylisothiazole --> methylisothiazole transpositions, previously reported to occur, were not detected in these reactions. In trifluoroacetic acid solvent, protonated methylisothiazoles and methylthiazoles phototranspose by P4 and P5 permutation pathways, respectively, resulting in a unique phototransposition cycle.
Muehlstaedt,M. et al., Journal fur praktische Chemie (Leipzig 1954), 1976, vol. 318, p. 507 - 514
作者:Muehlstaedt,M. et al.
DOI:——
日期:——
Phase transfer catalysed reductive acylation of nitrogen-containing heteroaromatics with acetylcobalt tetracarbonyl
作者:Ming de Wang、Howard Alper
DOI:10.1016/0022-328x(93)83023-o
日期:1993.6
Phase transfer catalyzed reductive ring-cleavage acylation of isoxazoles or isothiazoles with acetylcobalt tetracarbonyl gives N-acylated 1-amino-2-alkene-3-ones or thiones. Under the same conditions phthalazine, quinoline and isoquinoline react with acetylcobalt tetracarbonyl to give N-acylated dimers. The reactivity of several other nitrogen-containing heterocycles was also investigated.
LUCCHESINI, FRANCESCO;PICCI, NEVIO;POCCI, MARCO;MUNNO, ANGELA DE;BERTINI,+, HETEROCYCLES, 29,(1989) N, C. 97-102