PHOSPHINE-LIGANDS .3. BIDENTATE PHOSPHINES OF HETEROARENES - 1,9-BIS(DIPHENYLPHOSPHINO)-DIBENZOTHIOPHENE AND 4,6-BIS(DIPHENYLPHOSPHINO)DIBENZOTHIOPHENE

被引：27

作者：

HAENEL, MW

FIESELER, H

JAKUBIK, D

GABOR, B

GODDARD, R

KRUGER, C

机构：

[1] Max-Planck-Institut für Kohlenforschung, D-4330 Mülheim an der Ruhr

来源：

TETRAHEDRON LETTERS | 1993年 / 34卷 / 13期

关键词：

D O I：

10.1016/S0040-4039(00)60357-X

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Twofold lithiation of dibenzothiophene with n-butyllithium and N,N,N',N'-tetramethylethylenediamine (TMEDA) in boiling n-heptane followed by reaction with chlorodiphenylphosphine (Ph2PCl) yielded the title compounds 2 (colourless) and 3 (yellow). Both phosphines were characterised by single crystal X-ray structure analysis and C-13, H-1 shift correlated 2D NMR spectroscopy, based on which our previous assignment of the yellow compound to structure 2 has to be revised.

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页码：2107 / 2110

页数：4

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