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New [ g ]‐fused [1,2,4]triazolo[1,5‐ c ]pyrimidines: Synthesis of pyrido[3,2‐ e ] and [4,3‐ e ][1,2,4]triazolo[1,5‐ c ]pyrimidine, pyrimido[5,4‐ e ][1,2,4]triazolo[1,5‐ c ]pyrimidine and [1,2,4]triazolo[1,5‐ c ]pteridine derivatives
Author(s) -
Giudice Maria Rosaria Del,
Borioni Anna,
Mustazza Carlo,
Gatta Franco
Publication year - 1994
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570310637
Subject(s) - chemistry , tricyclic , d 1 , stereochemistry , aryl , receptor , organic chemistry , biochemistry , alkyl
A number of 2‐aryl‐substituted pyrido[3,2‐ e ] and [4,3‐ e ][1,2,4]triazolo[1,5‐ c ]pyrimidines and [1,2,4]triazolo[1,5‐ c ]pteridines 11,12a,b,e , their corresponding 5‐carbonyl derivatives 7,8a,b,e and some pyrimido[5,4‐ e ][1,2,4]triazolo[1,5‐ c ]pyrimidin‐5‐ones 7,8c,d have been synthesized, according to different pathways. The new tricyclic heterocycles were prepared with the aim of studying their possible benzodiazepine receptors affinity.