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Synthese von 1,2,4‐Triazinen, XV. Synthese von 1,2,4‐Triazin‐6(1 H )‐onen
Author(s) -
Neunhoeffer Hans,
KleinCullmann Birgit
Publication year - 1992
Publication title -
liebigs annalen der chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 0170-2041
DOI - 10.1002/jlac.1992199201210
Subject(s) - chemistry , medicinal chemistry , stereochemistry
Synthesis of 1,2,4‐Triazines, XV. — Synthesis of 1,2,4‐Triazin‐6(1 H )‐ones 1,2,4‐Triazin‐6(1 H )‐ones 3 have been prepared by cyclization of α‐ketoacyl chlorides 15 with amidrazones 14 . 4,5‐Dihydro‐1,2,4‐triazin‐6(1 H )‐ones 5 were obtained by cyclization of amino acid hydrazides 10 with orthocarboxylates 11 .