Synthesis 2003(13): 2053-2056  
DOI: 10.1055/s-2003-41050
PAPER
© Georg Thieme Verlag Stuttgart · New York

Synthesis of Novel Chiral Bisphosphinites from α-Pinene

Dennis Hobußa, Carsten Thöneb, Sabine Laschat*c, Angelika Baroc
a Institut für Organische Chemie, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany
b Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, German­y
c Institut für Organische Chemie, Universität Stuttgart, Pfaffenwaldring 55, 70569 Stuttgart, Germany
e-Mail: sabine.laschat@po.uni-stuttgart.de;
Further Information

Publication History

Received 6 June 2003
Publication Date:
28 August 2003 (online)

Abstract

Chiral bisphosphinites 5 were obtained by dihydroxylation of (-)-α-pinene (1) followed by deprotonation and treatment with chlorophosphines 3. Unlike their corresponding borane adducts 4, compounds 5 turned out to be very sensitive.