4,8-DIPHOSPHATHIOPHENETRIPTYCENES

Authors
ISHII A YOSHIOKA R NAKAYAMA J HOSHINO M
Citation
A. Ishii et al., 4,8-DIPHOSPHATHIOPHENETRIPTYCENES, Tetrahedron letters, 34(51), 1993, pp. 8259-8262
Citations number
23
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Tetrahedron letters → ACNP
ISSN journal
00404039
Volume
34
Issue
51
Year of publication
1993
Pages
8259 - 8262
Database
ISI
SICI code
0040-4039(1993)34:51<8259:4>2.0.ZU;2-Y
Abstract
Unsubstituted and trimethyl-4,8-diphosphathiophenetriptycenes (4 and 3 d) were synthesized by reduction of the corresponding phosphine oxides (8a and 8b) with trichlorosilane which were prepared by the reaction of trilithium salts, derived from tri-3-thienylphosphine oxides (7a an d 7b), with P(OPh)(3). The reaction of 3d with W(CO)(5)(THF) gave a 1: 2 complex 12 in high yield.