Preparation and reactions of functionalized chlorodiorganophosphine-borane complexes using organozinc reagents

Tetrahedron Letters

Volumn 37, Issue 13, 1996, Pages 2209-2212

  Longeau, Alexia ^a   Langer, Falk ^a   Knochel, Paul ^a  

^a PHILIPPS UNIVERSITY MARBURG   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

PHOSPHINE DERIVATIVE;

ARTICLE; DRUG SYNTHESIS; REACTION ANALYSIS;

EID: 0029974522     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/0040-4039(96)00240-7     Document Type: Article

References (23)

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3. (c) Noyori, R.; Kitamura, M. In Modern Synthetic Methods Vol. 5, Springer-Verlag Berlin-Heidelberg, 1989, p. 115.
4. (d) The Chemistry of Organophosphorus Compounds, volume 1; Hartley, F. R.; Patai, S. Ed. John Wiley: New York, 1990.
5. (e) Elsner, G. Organische Phosphor Verbindungen I. Methoden der Organischen Chemie; Vol. E1 Regitz, M. Ed. Georg Thieme Verlag, Stuttgart-New York, 1982.
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15. Fell, B.; Bahrmann, H. Synthesis 1974, 119.
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17. (b) Langer, F.; Devasagayaraj, A.; Chavant, P.-Y.; Knochel, P. Synlett 1994, 410.
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19. For previous preparations of mixed chelating diphosphines see King, R. B. Acc. Chem. Res. 1972, 5, 177.
20. Togni, A.; Hayashi, T. (Ed.) Ferrocenes; VCH: New York, Weinheim 1995.
21. de Lang, R.-J.; van Soolingen, J.; Verkruijsse, H. D.; Brandsma, L. Synth. Commun. 1995, 25, 2989.
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23. 2 (3:1) and 200 g of silica gel furnishes the desired product 20. After recrystallization from ethyl acetate, 20 was obtained as white crystals (1.67 g, 2.4 mmol, 70 % yield; mp = 198-201°C).