Air initiation for detergent range pendant or internal olefin su

Details Air initiation for detergent range pendant or internal olefin su Air initiation for detergent range pendant or internal olefin su

1976-11-22

1978-05-02

Chan, Nicky

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C13912

Patent

active

040874575

ABSTRACT:
Air initiation of pendant or internal olefin sulfitation at commercially useful rates and selectivities is achieved by stirring a mixture containing detergent range internal or pendant olefins, an alkali-metal or ammonium bisulfite, an alkali-metal or ammonium sulfite, an alkali-metal or ammonium alkane or alkylbenzene sulfonate surfactant, water, and an alcohol such as 1-propanol or 1-butanol, at ambient temperature and pressure while passing oxygen-containing gas through the mixture at a very slow rate. Bisulfite present must be in a mole ratio with respect to olefin of from 1 to 1-3 to 1 respectively, while sulfite must be present in a mole ratio to olefin of from 1 to 2-2 to 1. PH of the reaction mixture normally ranges from 5 to 6.

REFERENCES:
patent: 3541140 (1970-11-01), Murphy et al.
patent: 3943174 (1976-03-01), Ellis et al.
patent: 3975430 (1976-08-01), Neri et al.
Gilbert, "Sulfonation and Related Reactions", pp. 174-179), (1965).

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