Optically active pyrimidines derivatives

Details Optically active pyrimidines derivatives Optically active pyrimidines derivatives

1990-03-21

1991-10-01

Richter, Johann

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

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

544335, 549372, 549373, 549375, 549423, 549420, 560 61, 25229901, 2522992, 568608, C07D23902, C07D30906, C09K 1952

Patent

active

050535072

ABSTRACT:
Optical active compounds of the formula (1), (2), (3) and (4): ##STR1## The compounds (1), (2) and (3) are useful as raw materials of chiral dopants to be added for forming liquid crystal compositions, medicines or agricultural chemicals, and the compound (4) is useful as chiral dopants to be added for forming liquid crystal compositions.

REFERENCES:
patent: 4904409 (1990-02-01), Miyazawa et al.
Chemical Abstracts, vol. 105 (1986), p. 598, No. 97086e.
Gerald Kirchner et al, "Resolution of Racemic Mixtures via Lapase Catalysis in Organic Solvents", J. Am. Chem. Soc. 1985, 107, 7072-7076.
Aleksey Zaks et al, "Enzyme-catalyzed processes in organic solvents", Proc. Natl. Acad. Sci. U.S.A., vol. 82, pp. 3192-3196, May 1985.
Alexander M. Klibanov, "Enzymes that work in organic solvents", CHEMTECH, pp. 354-359, Jun. 1986.

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