METHOD OF PRODUCING SUBSTITUTED PHENOLS, CONTAINING HEM-DICHLOROCYCLOPROPYL SUBSTITUTE Russian patent published in 2011 - IPC C07C39/42 C07C37/14 

Abstract RU 2430903 C1

FIELD: chemistry.

SUBSTANCE: process of alkylating phenols with alkenyl-hem-dichlorocyclopropanes is carried out in the presence of a boron trifluoride etherate catalyst at temperature 50-65°C. The process with phenol is carried out with the following ratio of components in wt %: boron trifluoride etharate 18-19; alkenyl-hem-dichlorocyclopropanes 18-21. The process with 2,6-di-tert-butylphenol is carried out with the following ratio of components in wt %: boron trifluoride etherate 10-11; alkenyl-hem-dichlorocyclopropanes 10-13.

EFFECT: high output as well as quality of the end product.

3 cl, 1 ex, 1 tbl

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RU 2 430 903 C1

Authors

Zlotskij Semen Solomonovich

Kletter Elena Aleksandrovna

Mikhajlova Natal'Ja Nikolaevna

Dates

2011-10-10Published

2010-04-05Filed