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Frontispiece: Alkynyl N ‐Nosylhydrazones: Easy Decomposition to Alknynl Diazomethanes and Application in Allene Synthesis
Author(s) -
Yang Yang,
Liu Zhaohong,
Porta Alessio,
Zai Giuseppe,
Bi Xihe
Publication year - 2017
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201783862
Subject(s) - allene , decomposition , chemistry , medicinal chemistry , boric acid , combinatorial chemistry , stereochemistry , organic chemistry , catalysis
The formation of a pyrazole byproduct is a problem in the decomposition reaction of alkynyl‐ N ‐sulfonylhydrazones to release alkynyl diazomethanes. This problem has been resolved by using alkynyl‐ N ‐nosylhydrazones, and further applied to coupling with boric acids leading to allenes. For more details, see the Communication by Bi, Zanoni, et al. on page 9009 ff.