Crystal of amino acid ester salt and process for producing...

Details Crystal of amino acid ester salt and process for producing... Crystal of amino acid ester salt and process for producing...

2007-04-17

2007-04-17

Zucker, Paul A. (Department: 1621)

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

Organic compounds

Carboxylic acids and salts thereof

Reexamination Certificate

active

11062879

ABSTRACT:
The present invention provides a novel crystal of alanine alkyl ester sulfonate having low hygroscopicity and low corrosiveness, which can be produced industrially economically. The present invention provides crystals of alanine alkyl ester sulfonates represented by formula (1):wherein R1is a methyl group or an ethyl group, provided that when R1is a methyl group, R2is an ethylphenyl group or a dimethylphenyl group; and when R1is an ethyl group, R2is a methyl group, a phenyl group, a chlorophenyl group, an ethylphenyl group, or a dimethylphenyl group.

REFERENCES:
patent: 42-22923 (1967-11-01), None
patent: 48-57915 (1973-08-01), None
patent: 55-151536 (1980-11-01), None
patent: 63-132866 (1988-06-01), None
Nippon Kagaku Kaishi, vol. 83, 1962, pp. 1151-1154.
David J. Collins et al,Aust. J. Chem. , “Dihydro-1,2,4-triazin-6(1H)-ones. II* Synthesis of Several Methylated 3-Phenyl-4,5-dihydro-1,2,4-triazin-6(1H)-ones”, vol. 52, 1999, pp. 379-385.
Tetsuo Kato; “Synthesis of Amino Acid Ethyl Ester p-Toluenesulfonate”,Nippon Kagaku Kaishi, vol. 83, 1962, pp. 1151-1154 (with attached English translation).

Affiliated with

Also associated with

Rating

Crystal of amino acid ester salt and process for producing... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Crystal of amino acid ester salt and process for producing..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Crystal of amino acid ester salt and process for producing... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3797276