Intermediates for the stereochemical inversion of (2S,3S)-2-amin

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

560 17, 560250, 564185, 564212, 564219, 564302, 564304, 548215, C07C38100, C07C32300, C07C32100

Patent

active

052849660

ABSTRACT:
Intermediates for transforming (2S,3S)-2-amino-3-phenyl-1,3-propanediols into their (2R,3R)-enantiomers are described. The final compounds are useful intermediates for the synthesis of antibiotics like Chloramphenicol, Thiamphenicol and Florfenicol.

REFERENCES:
patent: 2483885 (1949-10-01), Crooks
patent: 2538763 (1950-01-01), Crooks
patent: 2699451 (1955-01-01), Moersch
patent: 2717268 (1955-09-01), Rebstock
patent: 2721207 (1955-10-01), Bambas
patent: 2742500 (1956-04-01), Gregory et al.
patent: 2744136 (1956-05-01), Gregory
patent: 2759970 (1956-08-01), Suter
patent: 4632940 (1986-12-01), Chiarino et al.
patent: 4638003 (1987-01-01), Chiarino et al.
V. Horak et al., Communications, "Oppenauer Oxidation of 2-Acylamino-1-aryl-1,3-propanediols; A New Method for Racemization of an Optically Active Diastereoisomer", Oct. 1984, pp. 839-840.
C. Giordano et al., Tetrahedron Letters, "New Strategy for Racemization of 2-Amino-1,3-Propanediols, Key Intermediates for the Synthesis of Antibiotic Drugs", vol. 29, No. 43, pp. 5561-5564, 1988.
Giordano et al., J. Org. Chem., 1991, vol. 56, No. 21, pp. 6114-6118.
Eliel, "Second-Order Asymmetric Transformation", pp. 62-63 & 38-41, 1980.
Jerry March, Advanced Organic Chemistry, 3rd ed., pp. 102-109, 527-529, 796-798, 1057-1060 (1982).

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

Intermediates for the stereochemical inversion of (2S,3S)-2-amin does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Intermediates for the stereochemical inversion of (2S,3S)-2-amin, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Intermediates for the stereochemical inversion of (2S,3S)-2-amin will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-699015

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