Reference

Liquid cleaning compositions containing N-acyl neutral amino acid salts

Liquid cleaning compositions containing N-acyl neutral amino acid salts. (Kawaken Fine Chemicals Co., Ltd., Japan). Jpn. Kokai Tokkyo Koho JP 58185697 A2 29 Oct 1983 Showa, 6 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: IC: C11D001-10; C11D001-66. APPLICATION: JP 82-68168 23 Apr 1982. DOCUMENT TYPE: Patent CA Section: 62 (Essential Oils and Cosmetics) Section cross-reference(s): 46 Liq. cleansing compns. contg. foaming N-acyl neutral amino acid salts 35-80, fatty acid diethanolamides 5-60, and H2O-sol. inorg. salts 5-60 wt.% are almost nonirritating and stable at low temps. Thus, a transparent liq. shampoo consists of Na N-cocoyl sarcosine 5, K N-myristoyl-N-methyl-b-alanine [89353-54-8] 5, lauric acid diethanolamide [120-40-1] 8, NaCl 1, Na2HPO4 1, glycerol 1, and H2O 79 parts and an appropriate amt. of citric acid (pH 6.8).In this experiment, several chemicals are used like 4316-73-8 and 16693-53-1 The viscosity of the prepn. was 750 cP at 25° and the prepn. was transparent after storage at -5° for 3 wk. .

Process for producing N-acylsarcosine and its salts (fatty acid sarcoside salts)

Process for producing N-acylsarcosine and its salts (fatty acid sarcoside salts). Baktay, Gyorgy; Gedeon, Tihamer; Bozoki, Gabor; Grosz, Miklos; Daradics, Lorant; Palinkas, Janos; Farkas, Erzsebet (CAOLA Kozmetikai es Haztartasvegyipari Vallalat, Hung.). Hung. Teljes HU 56813 A2 28 Oct 1991, 9 pp. (Hungary). CODEN: HUXXBU. CLASS: ICM: C07C229-06. APPLICATION: HU 90-883 21 Feb 1990. DOCUMENT TYPE: Patent CA Section: 34 (Amino Acids, Peptides, and Proteins) Acylation of of MeNHCH2CO2Na with satd. or unsatd. fatty acid chlorides (RCOCl) in the presence of NaOH was conducted in 3-15% EtOH/H2O at 20-50°, with MeNHCH2CO2Na present in 1.25-1.50-fold excess over RCOCl, and equimolar NaOH. MeNHCH2CO2Na and RCOCl are added alternately, in portions, to the reaction mixt. The resulting RCONMeCH2CO2Na is acidified with 30-35% H2SO4 at 60-70°, and the free acid ultimately neutralized with the desired base (B = amine, alkanolamine; MOH = alkali metal hydroxide) to form RCONMeCH2CO2H.B or RCONMeCH2CO2M. EtOH cosolvent promotes homogeneity of the reaction mixt., retards competing fatty acid chloride hydrolysis, and retards RCONMeCH2CO2Na decompn. Thus, 0.127 mol coco fatty acid chloride was added to 0.478 mol aq. MeNHCH2CO2Na, 0.127 mol aq. 4316-73-8 and 38456-66-5 which are cas registry numbers of chemicals are mentioned. NaOH and 25 mol EtOH with mixing at 20-40° and then 0.127 mol NaOH and 0.127 mol coco fatty acid chloride were added in succession and the sequence repeated yet again. Subsequently, 35% H2SO4 was added and the mixt. heated to 60-70°; the yield of free RCONMeCH2CO2H was 75.7%, with RCONMeCH2CO2H:fatty acid byproduct = 81.2:18.8. .