PROCESS FOR PREPARING N-ISOBORNYLACRYLAMIDE Russian patent published in 1994 - IPC

Abstract RU 2024494 C1

FIELD: chemical industry. SUBSTANCE: the product: N- isobornylacrylamide, m.p. 137 C. Reagent 1: camphene. Reagent 2: acrylonitrile. Reaction conditions: in CH3COOH and H2SO4 ar a camphene to acrylonitrile to H2SO4 to CH3COOH molar ration of 1: (1.0-1.1):(1.2-1.3):(3-3.5) at 45-55 C for 4-6 hours followed by neutralization of NaOH+H2O to pH 11-12, extraction of the amide with an organic solvent, washing the extract with a 40-60% aqueous diethanolamine solution at a diethanol solution to amide extract volumetric ration of 1:(5-20) followed by crystallization of the desired product. EFFECT: greater efficiency of the process. 1 tbl

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RU 2 024 494 C1

Authors

Chugunov M.A.

Sheronova M.V.

Nesterov G.V.

Danov S.M.

Tomashchuk V.I.

Dates

1994-12-15Published

1991-07-08Filed