FORMATION AND SELECTIVE TRAPPING OF 2,5-DIHYDROPYRIDINE AND ITS ISOPROPYLIDENE DERIVATIVE BY TUNGSTEN(0) ALKYLIDENE COMPLEXES - X-RAY STRUCTURE OF THE 5-ISOPROPYLIDENE-2,5-DIHYDROPYRIDINE ADDUCT

Authors
RUDLER H MARTINVACA B NICOLAS M AUDOUIN M VAISSERMANN J
Citation
H. Rudler et al., FORMATION AND SELECTIVE TRAPPING OF 2,5-DIHYDROPYRIDINE AND ITS ISOPROPYLIDENE DERIVATIVE BY TUNGSTEN(0) ALKYLIDENE COMPLEXES - X-RAY STRUCTURE OF THE 5-ISOPROPYLIDENE-2,5-DIHYDROPYRIDINE ADDUCT, Organometallics, 17(3), 1998, pp. 361-366
Citations number
9
Categorie Soggetti
Chemistry Inorganic & Nuclear","Chemistry Inorganic & Nuclear
Journal title
Organometallics → ACNP
ISSN journal
02767333
Volume
17
Issue
3
Year of publication
1998
Pages
361 - 366
Database
ISI
SICI code
0276-7333(1998)17:3<361:FASTO2>2.0.ZU;2-8
Abstract
A mixture of 1,2- and 2,5-dihydropyridines and 5-isopropylidene-2,5-di hydropyridine, obtained from 1-(methoxycarbonyl)-1,2-dihydropyridine a nd methyllithium followed by protonation, reacts with a series of pent acarbonyl tungsten(0) alkoxycarbene complexes to afford, besides the e xpected pyridinium ylide complexes 7, the 2,5-dihydropyridinium ylide complexes 6 together with the 5-isopropylidene-2,5-dihydropyridinium y lide complexes 5, which could be separated and fully characterized by X-ray analysis.