Borane complexes

Details Borane complexes Borane complexes

1982-03-17

1984-03-13

Raymond, Richard

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07F 502

Patent

active

044369190

ABSTRACT:
This invention relates to new chiral organoboranes of the general formula ##STR1## in which X represents a methylene group or a sulphur atom, n and p are 0 or 1, and to a preparation process of these compounds, consisting in reacting a bicyclic substituted di- or tri-thiane with a borane such as B.sub.2 H.sub.6 or BH.sub.3 : Lewis base.

REFERENCES:
Brown, Organic Synthesis via Borane, Wiley Interscience, New York (1975), pp. 8 & 9.
H. Brown, P. Jadhav and A. Mandal, Asymmetric Synthesis via Chiral Organoborane Reagents, Tetrahedron Report No. 116, pp. 3547-3587.
H. Brown and A. Mandal, Asymmetric Reduction of Representative Ketones with Diisopinocampheylborane of High Optical Purity, J. Org. Chem., vol. 42, No. 18, 1977, pp. 2996-2999.

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