Document Type and Number:
Japanese Patent JPS5233628
Kind Code:
B1
Abstract:
1334980 Retinyl halides RHONE-POULENC SA 18 May 1972 [19 May 1971] 23368/72 Heading C2V Retinyl halides are obtained by reacting 1- retinol (vitamin A alcohol) or the isomer 3- retinol, with a halogenating reagent in an inert solvent and at below 0 C. In examples retinyl bromide and retinyl chloride are obtained by reacting 3-retinol with phosphorus tribromide and with phosphorus trichloride respectively.
Application Number:
JP4901872A
Publication Date:
August 30, 1977
Filing Date:
May 17, 1972
Export Citation:
International Classes:
C07C17/00; C07C23/02; C07C23/10; C07C403/00; B01J31/02; C07C; (IPC1-7): C07C23/02; C07C17/00