Preparation of optically active allethrorone via allethronyl aci

Details Preparation of optically active allethrorone via allethronyl aci Preparation of optically active allethrorone via allethronyl aci

1974-03-22

1976-01-06

Weinberger, Lorraine A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260468H, 260586R, C07C 6980

Patent

active

039312917

ABSTRACT:
Optically active allethronyl acid phthalate is prepared by reacting (.+-.)-allethronyl acid phthalate of the formula ##SPC1##
With an optically active amine from the group of .alpha.-phenylethylamine of the formula, ##SPC2##
.alpha.-phenyl-.beta.-p-tolylethylamine of the formula ##SPC3##
Threo-2-dimethylamino-1-(p-nitrophenyl)-1,3-propanediol of the formula ##SPC4##
And naphthylethylamine of the formula ##SPC5##
To form diastereomeric salts thereof, and decomposing the resolved salt to obtain the optically active allethronyl acid phthalate.

REFERENCES:
patent: 3201455 (1965-08-01), Russell et al.
patent: 3484489 (1969-12-01), Kierstead et al.
Eliel, Stereochemistry of Carbon Compounds, pp. 49-56 (1962).
Fukumaru et al., as cited in Chem. Abstracts, 74, 42127e (1971).
Muller et al., as cited in Chem. Abstracts 69, 2698g (1968).
Bucourt et al., as cited in Chem. Abstracts 72, 31304t (1970).

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