Citation:
Long JIANG. PREPARATION AND PURIFICATION OF SCHIFF BASE AND PROTONATED SCHIFF BASE FROM 9-CIS-RETINAL[J]. Chinese Chemical Letters,
;1991, 2(12): 921-924.
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A modified method for preparation and purification of Schiff base and protonated Schiff base from 9-cis-retinal has been suggested. Reaction took place in chloroform phase and purification was conducted by using water to remove the excess solvent, base and acid
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