Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1978-11-06
1983-01-25
Hines, Robert V.
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
26050117, 564372, C07C 8728
Patent
active
043705006
ABSTRACT:
There is provided a new compound: d-N-(2-amino-2-phenethyl-2-methoxyethylamine useful in the direct synthesis of levamisole. The compound is prepared by slurrying the racemic N-(2-amino-2-phenethyl)-2-methoxyethylamine with dibenzoyl-d-tartaric acid as the resolving agent in an aqueous acidic menstruum containing ammonium chloride, heating the resultant mixture, preferably under reflux, cooling and filtering the resultant mixture to recover crystals rich in the desired d-amine compound, hereinabove noted.
REFERENCES:
patent: 3312733 (1967-04-01), Howe
patent: 3478101 (1969-11-01), Tsuruga et al.
patent: 3819689 (1974-06-01), Thompson et al.
patent: 3845070 (1974-10-01), McMenim et al.
patent: 3847991 (1974-11-01), Bernardi et al.
patent: 3865836 (1975-02-01), Van Gelder et al.
patent: 3887617 (1975-06-01), Seebach et al.
American Cyanamid Company
Hart Gordon L.
Hines Robert V.
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