Isolation of the reactive intermediate in palladium-catalysed coupling of secondary phosphine-boranes with aryl halides

被引：69

作者：

Gaumont, AC

Hursthouse, MB

Coles, SJ

Brown, JM

机构：

[1] Dyson Perrins Lab, Oxford OX1 3QY, England

[2] Univ Wales, Dept Chem, Cardiff CF1 3TB, S Glam, Wales

来源：

CHEMICAL COMMUNICATIONS | 1999年 / 01期

关键词：

D O I：

10.1039/a807830k

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Ph2PH . BH3 is converted into its K salt with KOSiMe3 in THF, and the anion reacts with (dppp)Pd(Ph)I to produce the complexed secondary phosphine-borane which decomposes to PPh3. BH3 at -10 degrees C; the C6F5 analogue has been crystallographically characterised.

引用

收藏

页码：63 / 64

页数：2

相关论文

共 26 条

[1] Convenient and direct preparation of tertiary phosphines via nickel-catalysed cross-coupling [J].

Ager, DJ ;

East, MB ;

Eisenstadt, A ;

Laneman, SA .

CHEMICAL COMMUNICATIONS, 1997, (24) :2359-2360

[2] TRANSITION-METAL SUBSTITUTED PHOSPHANES, ARSANES, AND STIBANES .46. SOME REACTIONS OF THE FERRIO-PHOSPHANE C5ME5(CO)2FE-PPH2 AND MOLECULAR-STRUCTURE OF ITS BORANE ADDUCT [J].

ANGERER, W ;

SHELDRICK, WS ;

MALISCH, W .

CHEMISCHE BERICHTE-RECUEIL, 1985, 118 (03) :1261-1266

[3]

Baranano D, 1997, CURR ORG CHEM, V1, P287

[4] BITE ANGLE DEPENDENCE OF THE RATE OF REDUCTIVE ELIMINATION FROM DIPHOSPHINE PALLADIUM COMPLEXES [J].

BROWN, JM ;

GUIRY, PJ .

INORGANICA CHIMICA ACTA, 1994, 220 (1-2) :249-259

[5]

BROWN JM, 1990, ORGANOMETALLICS, V9, P343

[6] SYNTHESIS OF CHIRAL 2,2'-BIS(DIPHENYLPHOSPHINO)-1,1'-BINAPHTHYL (BINAP) VIA A NOVEL NICKEL-CATALYZED PHOSPHINE INSERTION [J].

CAI, DW ;

PAYACK, JF ;

BENDER, DR ;

HUGHES, DL ;

VERHOEVEN, TR ;

REIDER, PJ .

JOURNAL OF ORGANIC CHEMISTRY, 1994, 59 (23) :7180-7181

[7] SYNTHESIS AND CHEMISTRY OF DIBORYLPHOSPHANES [J].

DOU, D ;

WOOD, GL ;

DUESLER, EN ;

PAINE, RT ;

NOTH, H .

INORGANIC CHEMISTRY, 1992, 31 (09) :1695-1702

[8] Synthesis of 1'-(2-(diarylphosphino)1-naphthyl)isoquinolines; variation of the aryl substituent [J].

Doucet, H ;

Brown, JM .

TETRAHEDRON-ASYMMETRY, 1997, 8 (22) :3775-3784

[9] Carbon-nitrogen-bond-forming reductive elimination of arylamines from palladium(II) phosphine complexes [J].

Driver, MS ;

Hartwig, JF .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1997, 119 (35) :8232-8245

[10] Systematic variation of bidentate ligands used in aryl halide amination. Unexpected effects of steric, electronic, and geometric perturbations [J].

Hamann, BC ;

Hartwig, JF .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1998, 120 (15) :3694-3703