Intermediates for use in retinoid synthesis

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

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C560S172000

Reexamination Certificate

active

07009069

ABSTRACT:
The invention concerns compounds of formula (1) wherein in particular G represents the —N(CH3)2—, —N(C2H5)2— group or N-pyrrolidine: n is an integer equal to 1 or 2: R1, R2and R3, independently of one another, represent a hydrogen atom or a methyl group, the successive unsaturated units capable of being moreover identical or different, provided that at least one of the substituents R1, R2and R3is different from H; and Y1and Y2represent each a —COOCH3group or a —COOC2H5group.

REFERENCES:
patent: 4195999 (1980-04-01), Adachi et al.
patent: 5925797 (1999-07-01), Giraud et al.
patent: 1 046 612 (1958-12-01), None
patent: 1 559 900 (1959-06-01), None
patent: 28 16 226 (1978-10-01), None
patent: 0 802 180 (1997-10-01), None
patent: 1 055 849 (1954-02-01), None
Bull. Acad. Sci. USSR Div. Chem. Sci., vol. 39, No. 2.1, 1990, pp. 298-306.
Bull. Acad. Sci. USSR Div. Chem. Sci., vol. 24, 1975, pp. 2397-2401.
Chem. Heterocycl. Compd., vol. 24, No. 10, 1988, pp. 1095-1103.
Journal of the American Chemical Society, vol. 116, No. 6, 1994, pp. 2619-2620.
Journal of the American Chemical Society, vol. 115, No. 7, 1993, pp. 3006-3007.
Ber. Bunsen-Ges. Phys. Chem., vol. 80, 1976, pp. 630-636.
Pharmazie, vol. 54, No. 8, 1999, pp. 571-574.
Journal of Organic Chemistry, vol. 64, No. 26, 1999, pp. 9493-9498.
Bull. Acad. Sci. USSR Div. Chem. Sci., vol. 22, 1973, pp. 2478-2482.
Bull, Acad. Sci. USSR Div. Chem. Sci. vol. 22, 1973, pp. 1963-1971.
Ivz. Akad. SSSR, 1972, pp. 2153-2218.
Bull. Acad. Sci. USSR Div. Chem. Sci., vol. 29, 1980, pp. 1643-1651.
Bull. Acad. Sci. USSR Div. Sci., vol. 30, No. 2, 1981, pp. 308-311.

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 use in retinoid synthesis 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 use in retinoid synthesis, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Intermediates for use in retinoid synthesis will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3605989

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