Issue 7, 2010
From the journal:

Green Chemistry

A green procedure for the regio- and chemoselective hydrophosphonylation of unsaturated systems using CaO under solventless conditions†

Elisa Martínez-Castro,a   Óscar López,a   Inés Maya,a   José G. Fernández-Bolaños*a  and  Marino Petrini*b  

* Corresponding authors

a Departamento de Química Orgánica, Facultad de Química, Universidad de Sevilla, Apartado 1203, Seville, Spain
E-mail: bolanos@us.es
Fax: +34 954 624960
Tel: +34 954 550996

b School of Science and Technology, Chemistry Division, Università di Camerino, via S.Agostino, 1, Camerino, Italy
E-mail: marino.petrini@unicam.it
Fax: +39 0737 402297
Tel: +39 0737 402253

Abstract

Diethyl phosphite and diphenylphosphine add to a series of unsaturated derivatives using environmentally-friendly calcium oxide as a basic promoter under solventless conditions at room temperature. The corresponding adducts are obtained in a totally regioselective fashion, via a 1,4-addition on α,β-unsaturated esters and sulfone, and a 1,2-addition on cyclic and acyclic α,β-unsaturated aldehydes and ketones.

Graphical abstract: A green procedure for the regio- and chemoselective hydrophosphonylation of unsaturated systems using CaO under solventless conditions

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Article information

DOI
https://doi.org/10.1039/C0GC00026D
Article type
Communication
Submitted
21 Apr 2010
Accepted
02 Jun 2010
First published
11 Jun 2010

Green Chem., 2010,12, 1171-1174

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A green procedure for the regio- and chemoselective hydrophosphonylation of unsaturated systems using CaO under solventless conditions

E. Martínez-Castro, Ó. López, I. Maya, J. G. Fernández-Bolaños and M. Petrini, Green Chem., 2010, 12, 1171 DOI: 10.1039/C0GC00026D

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