Hydrogenation of cyanophosphonate derivatives in the presence of

Organic compounds -- part of the class 532-570 series – Organic compounds – Phosphorus acids or salts thereof

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C07F56217

Patent

active

058592903

ABSTRACT:
A process for preparing N-phosphonomethylglycine or an N-phosphonomethylglycine derivative involves the hydrogenation of cyanophosphonate derivatives in the presence of a glycine derivative and a catalyst to produce N-phosphonomethylglycine.

REFERENCES:
patent: 2402703 (1946-06-01), Woodstock
patent: 2702299 (1955-02-01), Harris
patent: 3432277 (1969-03-01), Roesky
patent: 3812221 (1974-05-01), Braden et al.
patent: 4221583 (1980-09-01), Gaertner et al.
patent: 4568432 (1986-02-01), Rogers
patent: 5679843 (1997-10-01), Hodgkinson et al.
Abstract--Database WPI, Section Ch, Week 7615, Derwent Publications Ltd., London, GB; Class B04, AN 76-27192X, XP002061354 & JP 51 023 255 A (Nippon Chem. Ind. Co. Ltd.), 24 Feb. 1976.
Blanchard, J. "Preparation d-acides beta-amino-ethyl-phosphoniques" Tetrahedon; vol. 32, NO. 4, 1976, Oxford GB, pp. 455-459, XP002061374.
Chemical Abstracts, vol. 093, No. 12, 22 Sep. 1980, Columbus, Ohio, US; abstract No. 123612, Zhurba, Y.I. et al. "Increase in the stability of silver complexes in the process of simultaneous developing and fixing" and ZH Nauchn, Pirkl. Fotogr. Kinematogr. (ZNPFAG, 00444561); 80; vol. 25(3); pp. 182-185, Vses. Gos. Nauchno-Issled. Proektn. Inst. Khim.-Fotogr. Prom., Moscow; USSR; XP0020612352.
Dyatkina, N. et al., Synthesis and antiviral activity of some fluorinated nucleotide derivativers: Nucleosides Nucleotides (NUNUD5, 07328311); 94; col. 13 (1-3); pp. 325-337, Engelhardt Inst. Mol. Biol.; Mowcow; 117984, Russia XP002061348, 1994.
Kashemirov, B.A. "(E)-(Hydroxyimino)(hydroxymethoxyphosphinyl)acetic acid: Synthesis and pH dependent fragmentation," Tetrahedron Letters, vol. 36, No. 52, Oxford GB, pp. 9437-9440, XP002061351.
Albrecht et al., "Reaction of the Two-Component System Trialkyl Phosphite/Carbon Tetrachloride with Nucleophiles 3. Reaction in Presence of Trialkylammonium Salts," Z. anorg. allg. Chem. 552:132-156 (1987) and English language translation.
Kashemirov et al., "Troika Acids: Synthesis, Structure, and Fragmentation Pathways of Novel .alpha.-(Hydroxyimino)phosphonacetic Acids," J. Am. Chem. Soc. 117:7285-7286 (1995).
Shiori et al., "Reaction of Diethyl Phosphorocyanidate(DEPC) with Carboxylic Acids. A New Synthesis of Carboxylic Esters and Amides," Tetrahedron 3(18):2211-2217 (1976).
Tung et al., "A New Method for the Preparation of O,O'-Dialkylphosphoryl Cyanides," Hua Hsueh Hsueh Pao (Acta Chimica Sinica) 31(3): 199-202 (1965) .

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Hydrogenation of cyanophosphonate derivatives in the presence of does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Hydrogenation of cyanophosphonate derivatives in the presence of, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hydrogenation of cyanophosphonate derivatives in the presence of will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1518250

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.