Studies in the Cyanine Dye Series. II. Carbocyanines with Substituents in the Three-Carbon Chain

LGS Brooker, FL White

Index: Brooker; White Journal of the American Chemical Society, 1935 , vol. 57, p. 2485

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Citation Number: 20

Abstract

Discussion Water, methanol, ethanol, dioxane and benzene were used as reaction media and water was found to be the most suitable for the Adams catalyst and satisfactory for the Raney catalyst. Methanol gave somewhat higher adsorption rates with Raney nickel (23 ml. of hydrogen per minute) and yields of 45% were obtained consistently. Higher pressures gave increased adsorption rates for the Adams catalyst but were Gthout much effect for the ...