C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/617.6
C07C 37/00 (2006.01) C07C 39/12 (2006.01) C07C 39/16 (2006.01) C07C 39/18 (2006.01)
Patent
CA 1062282
ABSTRACT OF THE DISCLOSURE A method of producing 2,2'-lower alkylidenebis(4,6-dialkylphenols) residing in that 2,4-dialkylphenols interact with acetals in the presence of an acid catalyst at a temperature from 30°C to 140°C with the formation of a reaction mixture containing the desired product and with subsequent separation of the desire product from said mixture, the starting reagents being taken in amounts of 1 mole of 2,4-dialkylphenol per 1-10 moles of acetal. The method if technologically simple and accomplished with- out the formation of waste water.
242524
Grinberg Alexandr A.
Gurvich Yakov A.
Kumok Simona T.
Liakumovich Alexandr G.
Michurov Jury I.
Nauchno-Issledovatelsky Institut Rezinovykh I. Latexnykh Izdely
Sterlitamaxky Opytno- Promyshlenny Zavod Po Proizvodstvu Izopren
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