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Synthesis of 4‐ and 5‐( s ‐triazolo[4,3‐ b ]pyridazinyl‐3)‐substituted cyclic polyols
Author(s) -
Turk Cvetka,
Svete Jury,
Golobič Amalija,
Golič Ljubo,
Stanovnik Branko
Publication year - 1998
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.5570350304
Subject(s) - chemistry , stereochemistry , pyranose , medicinal chemistry
4( R )‐(6‐Chloro‐ s ‐triazolo[4,3‐ b ]pyridazinyl‐3)‐1,4‐furanoses 10 and 11 , 5( R )‐(6‐chloro‐ s ‐triazolo[4,3‐ b ]pyridazinyl‐3)‐1,5‐pyranose 13 , and 2( S ),3( R )‐dihydro‐5‐(6‐chloro‐ s ‐triazolo[4,3‐ b ]pyridazinyl‐3)‐2,3‐ O ‐isopropylidenefuran ( 12 ) were prepared by cyclization of hydrazones 6–9 obtained from 6‐chloro‐3‐hydrazinopyridazine ( 1 ) and aldofuranoses 2, 3 and 4 , and aldopyranose 5 .