phosphonomethyl derivative; (c) hydrolyzing the resulting 1 -phosphonomethylhydantoin product with a base selected from alkali metal or alkaline earth hydroxides to produce a salt of N-phosphonomethylglycine; and (d) neutralizing the salt witha strong acid to produce N-phosphonomethylglycine is ...
Sugar amino acidsHydantoinsCyanohydrinsMethyl 23-O-isopropylidene-hexopyranosid-4-ulosesX-ray analysis(4R)-2,3-O-Isopropylidene-methylspiro[4,6-dideoxy-α-l-lyxo-hexopyranosid-4,5′-imidazolidin]-2′,4′-dione and (4R)-2,3-O-isopropylidene-methylspiro[4,6-dideoxy-β-d-ribo-hexo...
4381398 Amino-alcohol derivatives 1983-04-26 Takizawa et al. 549/360 4285958 1-Piperidine-alkylene ketones, pharmaceutical compositions thereof and method of use thereof 1981-08-25 Carr et al. 424/267 4285957 1-Piperidine-alkanol derivatives, pharmaceutical compositions thereof, and method of use th...
1. A process for the preparation of an optically active α-amino-acid of general formula (I) wherein &numsp &numsp &numsp the asterisk denotes an asymmetric carbon atom having a particular stereochemical configuration, and &numsp &numsp &numsp R1 represents an optionally substituted alkyl, ...
Recent improvements in sequencer design and the introduction of high-performance liquid chromatography (HPLC) analysis of phenylthiohydantoin (PTH) amino acids allow the Edman chemistry to be performed with as little as a few picomoles of proteins or peptides. However, successful microsequencing is ...
The hydrolysis of 5-monosubstituted hydantoin was found to be D-stereospecific on stereochemical analysis of the products TABLE 3. Substrat...Durham D, Weber J (1995) Properties of D-hydantoinase from Agrobacterium tumefaciens and its use for the preparation of N -carbamyl D-amino acids. ...
Novel esters of amino acids are proposed of which the alcoholic components are formed from threo-4-alkoxy-5-arylhydroxymethyl-2(5H)-furanones. These esters may be present in the form of racemates, pur
The invention provides a sanitizing composition in the form of a viscous liquid or gel suitable for use as a handwash composition comprising alcohol, water and a thickener wherein t
EDTA 0.2-10 parts of methyl hydroxybenzoate 70-120 parts of cyclomethicone 18-40 parts of polydimethylsiloxane 0.05-2 parts of propyl hydroxybenzoate 1-14 parts of citric acid 1-5 parts of DMDM hydantoin 0.6-3 parts of essence 1-8 parts of polysorbate-20 and 1-15 parts of polysorbate-60....
2. The process of claim 1 wherein said chlorinating reagent is selected from N-chloroacetamide; N-chlorosuccinimide; 1,3-dichloro-5,5-dimethyhydantoin; or 1,3,5-trichloroisocyanuric acid. 3. The process of claim 2 wherein said chlorinating reagent is selected from 1,3-dichloro-5,5-dimethy...