ChemInform Abstract: Reversible C↔N Migration of the Ethoxycarbonyl Group in the Reactions of Pyridinium and Isoquinolinium Ylides Derived from Malonic Ester with Isocyanates

Autor:	I. R. Gol'ding, Yuri G. Gololobov, I. A. Garbuzova, Olga V. Dovgan, Pavel V. Petrovskii
Rok vydání:	2010
Předmět:	chemistry.chemical_classification chemistry.chemical_compound chemistry Ylide Group (periodic table) Heteroatom Organic chemistry General Medicine Pyridinium Medicinal chemistry
Zdroj:	ChemInform. 33
ISSN:	1522-2667 0931-7597
DOI:	10.1002/chin.200225035
Popis:	Pyridinium and isoquinolinium ylides (7 and 12) derived from malonic ester react in an unusual manner with isocyanates giving the new pyridinium ylide (9) and the new isoquinolinium ylide (14). C N Migration of the COOEt group takes place at room temperature, but, at an elevated temperature, reverse N C migration of the COOEt group proceeds and ylides 9 and 14 are reconverted into the starting ylides 7 and 12, respectively. © 2002 John Wiley & Sons, Inc. Heteroatom Chem 13:36–45, 2002; DOI 10.1002/hc.1104
Databáze:	OpenAIRE
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