First preparation and reaction of polymer-bound 1,2-diaza-1,3-butadienes. A convenient entry to 4-triphenylphosphoranylidene-4,5-dihydropyrazol-5-ones

Authors
Attanasi, OA Filippone, P Guidi, B Hippe, T Mantellini, F Tietze, LF
Citation
Oa. Attanasi et al., First preparation and reaction of polymer-bound 1,2-diaza-1,3-butadienes. A convenient entry to 4-triphenylphosphoranylidene-4,5-dihydropyrazol-5-ones, TETRAHEDR L, 40(52), 1999, pp. 9277-9280
Citations number
41
Categorie Soggetti
Chemistry & Analysis","Organic Chemistry/Polymer Science
Journal title
TETRAHEDRON LETTERS
ISSN journal
00404039 → ACNP
Volume
40
Issue
52
Year of publication
1999
Pages
9277 - 9280
Database
ISI
SICI code
0040-4039(199912)40:52<9277:FPAROP>2.0.ZU;2-5
Abstract
The first general protocol for the preparation of different polymer-bound 1 2-diaza-1,3-butadienes is reported. The utility of these supported reagents in the solid-phase synthesis of 4-triphenylphosphoranylidene-4,5-dihydropy zol-5-ones by reaction with triphenylphosphine is presented. (C) 1999 Publi shed by Elsevier Science Ltd. All rights reserved.