Resolution process using L or D N-methyl-ephedrine

Details Resolution process using L or D N-methyl-ephedrine Resolution process using L or D N-methyl-ephedrine

1979-11-20

1981-03-24

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

562401, 562506, C07C 6137, C07B 1900

Patent

active

042579767

ABSTRACT:
A process for the resolution of DL-cis chrysanthemic acid or DL-trans chrysanthemic acid with L or D N-methyl-ephedrine to form the corresponding salt and acid hydrolyzing the same which resolved acids are intermediates for preparing esters having a remarkable insecticidal activity.

REFERENCES:
patent: 3646118 (1972-02-01), Goffinet et al.
patent: 3666798 (1972-05-01), Matsui et al.
patent: 3739019 (1973-06-01), Ueda et al.
patent: 3842125 (1974-10-01), Horiuchi et al.
patent: 3879451 (1975-04-01), Yoshioka et al.

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