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

被引：30

作者：

Attanasi, OA

Filippone, P

Guidi, B

Hippe, T

Mantellini, F

Tietze, LF

机构：

[1] Univ Urbino, Ist Chim Organ, I-61029 Urbino, Italy

[2] Univ Gottingen, Inst Organ Chem, D-37077 Gottingen, Germany

来源：

TETRAHEDRON LETTERS | 1999年 / 40卷 / 52期

关键词：

diaza compounds; Merrifield's resin; triphenylphosphine; addition reaction; cyclisation;

D O I：

10.1016/S0040-4039(99)01893-6

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The first general protocol for the preparation of different polymer-bound 12-diaza-1,3-butadienes is reported. The utility of these supported reagents in the solid-phase synthesis of 4-triphenylphosphoranylidene-4,5-dihydropyzol-5-ones by reaction with triphenylphosphine is presented. (C) 1999 Published by Elsevier Science Ltd. All rights reserved.

引用

页码：9277 / 9280

页数：4

共 41 条

[1] Base or copper promoted annulation reactions of alpha-aminohydrazones [J].