3-polyfluoroacylmethylenephthalides: Synthesis and structure / Sevenard DV,Sosnovskikh VY,Schroeder G,Roschenthaler GV // AUSTRALIAN JOURNAL OF CHEMISTRY. - 2001. - V. 54, l. 5. - P. 335-341.

ISSN/EISSN:

0004-9425 / нет данных

Type:

Article

Abstract:

3-Polyfluoroacylmethylenephthalides (R-F = CF3, CF2CF2H, C2F5) can be synthesized conveniently by cyclodehydration of 1-(2-carboxyphenyl)-3-polyfluoroalkylpropane-1,3-diones, obtained from o-acetylbenzoic acid and polyfluorinated esters, as a separable mixture of Z- and E-isomers. In solution, the Z- and E-isomers of 3-polyfluoroacylmethylenephthalides are interconvertable. For CD3CN and (CD3)(2)SO solutions of 1-(2-carboxyphenyl)-3-polyfluoroalkylpropane- 1,3-diones a ring-chain tautomerism is observed. The structures of the new compounds have been determined by heteronuclear nuclear magnetic resonance (NMR) spectroscopy and nuclear Overhauser effect (NOE) experiments.

Author keywords:

SPECTROSCOPY; CONDENSATION; KETONES; H-1-NMR; ETHERS

DOI:

10.1071/CH01086

Web of Science ID:

ISI:000172406500010

Соавторы в МНС:

—

Другие поля

Поле	Значение
Publisher	C S I R O PUBLISHING
Address	150 OXFORD ST, PO BOX 1139, COLLINGWOOD, VICTORIA 3066, AUSTRALIA
Language	English
Keywords-Plus	SPECTROSCOPY; CONDENSATION; KETONES; H-1-NMR; ETHERS
Research-Areas	Chemistry
Web-of-Science-Categories	Chemistry, Multidisciplinary
Author-Email	sevenard@chemie.uni-bremen.de
Number-of-Cited-References	48
Usage-Count-Since-2013	1
Journal-ISO	Aust. J. Chem.
Doc-Delivery-Number	496QB