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1,3‐Dipolar Cycloaddition Reactions with 1,2,3‐Triazinium Ylides
Author(s) -
Mättner Michael,
Neunhoeffer Hans
Publication year - 2004
Publication title -
european journal of organic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 1434-193X
DOI - 10.1002/ejoc.200400347
Subject(s) - chemistry , deprotonation , 1,3 dipolar cycloaddition , cycloaddition , medicinal chemistry , dipole , organic chemistry , stereochemistry , catalysis , ion
1,3‐Dipolar cycloadditions were carried out with 1,2,3‐triazinium 2‐dicyanomethylylides 4 and deprotonated 2‐ethyl‐1,2,3‐triazinium salts 2 . Pyrazolo[2,1‐ a ]‐ and pyrazolo[1,2‐ b ][1,2,3]triazines 5 and 9 were synthesized, representing new heterocyclic systems. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004)
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