Synthesis of sulfated polyhydroxy fatty acid amide surfactants

Details Synthesis of sulfated polyhydroxy fatty acid amide surfactants Synthesis of sulfated polyhydroxy fatty acid amide surfactants

1992-11-30

1994-05-17

Dees, Jose G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Fatty compounds having an acid moiety which contains the...

554 44, 554 66, 554 68, 554 94, C11D 128

Patent

active

053129342

ABSTRACT:
Polyhydroxy fatty acid amide nonionic surfactants are converted in high yields to their sulfated analog surfactants using an SO.sub.3 /pyridine complex as a sulfating agent. Thus, C.sub.12 -C.sub.18 N-methyl glucamide is sulfated in methylene chloride or pyridine solvent to form the corresponding sulfated glucamide in yields of 80% or higher.

REFERENCES:
patent: 2268443 (1941-12-01), Crowder
patent: 2717894 (1955-09-01), Schwartz

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