Imidazol 2, 3 -subst

E5, 525 (COOR COOH) N-Acetoacetyl- XV/1, 181 N-Acetyl-a-methyl- E21a, 836 5-Alk —5-CH3 —3-[CH(CH3) —Ar]—4-oxo—4,5-H2 — 3H-imidazol/ Hydrolyse + Ac20 a-subst. E16d, 410 (Hydrolyse) E21a, 828 [l-Acyl-3-alk(3,5-dialk)—2-tert.-butyl — 4-imidazoldin — 2-on/Hydroly-se]... 

Diphenylamino- 874 2-(l,2-Diphenyl-ethcnyl)- 969, 934 2-(2,2-Diphenyl-ethenyl)- 986 2,4-Diphenyl-1 -ethcnyl-5-(4-oxo-butyl)- 994 2-(1,2-Diphenyl-ethyl)- 960, 969 2-(2,2-Diphenyl-l-fluor-ethenyl)- 986 2-(l, 2-Diphenyl-2-hydroxy-ethyl)- 994 2-[Diphenyl-(l H-imidazol-1 -yl)-methyl]- 991 2-(l, 2-Diphenyl-2-methylthio-ethyl)- 934 2-(2,3-Diphenyl-4-oxo-4-subst.-butyl)- 992 2-(l,3-Diphenyl-ureido)- 965 2-Ethansulfonyl- 979... 

A convenient synthesis of 8-azasteroids by intramolecular alkylation of enaminoketones has been found . A new and efficient synthesis of pyrazoles through gem-dihalogenocyclopropyl acetates has been published . Tri-C-subst. imidazoles with 3 different substituents can be obtained in one step from a-acoxy-... 

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