Fungicidal trifluoromethylalkylamino-triazolopyrimidines

Details Fungicidal trifluoromethylalkylamino-triazolopyrimidines Fungicidal trifluoromethylalkylamino-triazolopyrimidines

1998-09-25

1999-11-16

Raymond, Richard L.

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

Organic compounds

Amino nitrogen containing

544263, C07C20988

Patent

active

059861355

ABSTRACT:
An improved process for the preparation of (S)-1,1,1-trifluoroalkyl-2-amines of formula IIIA, ##STR1## where R.sup.1 is a C.sub.1-6 alkyl group, from the corresponding racemic mixture, which process includes treating 1 part by mole of the racemic mixture with approximately 0.3 to 0.7 part by mole of D-(-)-tartaric acid in the presence of an inert solvent.

REFERENCES:
patent: 2528267 (1950-10-01), Dearborn et al.
patent: 5442117 (1995-08-01), Stahly et al.

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