To obtain a new amideestercarboxylic acid (salt) low in the irritation of the skins, ocular-mucous membranes, etc., excellent in foamability and touches to the skin, etc., and useful as a component for cleaning agents for skin, hair, etc.
A compound of formula I [R1, R2 are each a 2-20C (branched) alkyl in which an oxygen atom may be inserted into the carbon atoms; A is 1-ethanyl-2-idene, 1-ethenyl-2-idene; M is H, an alkali(ne earth) metal, a trialkylamine, a trialkanolamine; X is H, a group of the formula: SO3M]. For example, 1-[N-octyl-N-(3-carboxy-3-sulfopropionyl)] amino-2-(3-carboxy-3- sulfoproplonyl)oxy-3-hexyloxypropane tetrasodium salt. The compound of formula I is obtained by reacting a compound of formula II with succinic anhydride or maleic anhydride or with the maleic anhydride and subsequently with a sulfonating agent.
| JP2000053613 | COMPOUND HAVING PROTECTED HYDROXY GROUP |
| JP3712676 | COMPOSITION OF PREPARATION FOR EXTERNAL USE |
KITSUKI TOMOHITO
KITA KATSUMI
