Resolution of racemic pantolactone

Details Resolution of racemic pantolactone Resolution of racemic pantolactone

1975-01-24

1976-12-07

Jiles, Henry R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260535R, 260563R, C07D30732

Patent

active

039962466

ABSTRACT:
A process for resolving racemic .alpha.-hydroxy-.beta.,.beta.-dimethyl-.gamma.-butyrolactone, referred to as D,L-pantolactone, into its optical antipodes, based on the separation of diastereomeric salts of D,L-pantoic acid (.alpha.,.gamma.-dihydroxy-.beta.,.beta.-dimethylbutyric acid), produced from D,L-pantolactone, by means of (-)-3-aminomethylpinane, (+)-3-aminomethylpinane or one of their acid addition salts, as a new resolving agent.

REFERENCES:
patent: 2319545 (1943-05-01), Harris et al.

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