Process for purifying crude dibenzylidene sorbitol

Details Process for purifying crude dibenzylidene sorbitol Process for purifying crude dibenzylidene sorbitol

1977-05-09

1978-12-26

Love, Ethel G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603409R, C07D31904, C07D31710

Patent

active

041316126

ABSTRACT:
Purified dibenzylidene sorbitol is prepared by mixing crude dibenzylidene sorbitol containing monobenzylidene sorbitol and tribenzylidene sorbitol as by-product impurities with a lower aliphatic alcohol to dissolve the impurities, and separating and recovering the undissolved dibenzylidene sorbitol. This process affords dibenzylidene sorbitol having a purity of at least 98% from crude dibenzylidene sorbitol with a purity of about 95%.

REFERENCES:
patent: 3721682 (1973-03-01), Murai et al.
patent: 3853917 (1974-12-01), Okada et al.
patent: 3855227 (1974-12-01), Hollander et al.

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