Organic compounds -- part of the class 532-570 series – Organic compounds – Unsubstituted hydrocarbyl chain between the ring and the -c-...
Reexamination Certificate
2005-07-05
2005-07-05
Wilson, James O. (Department: 1624)
Organic compounds -- part of the class 532-570 series
Organic compounds
Unsubstituted hydrocarbyl chain between the ring and the -c-...
C540S604000
Reexamination Certificate
active
06914140
ABSTRACT:
A novel process for the manufacture of compounds of the formulawherein R1and R2independently represent aroyl.The present invention also concerns novel intermediates used in the novel process for making compounds of formula I.
REFERENCES:
patent: 5583222 (1996-12-01), Barbier et al.
patent: A-643 052 (1995-03-01), None
patent: A-663 393 (1995-07-01), None
patent: WO 93/03730 (1993-03-01), None
patent: WO 94/20062 (1994-09-01), None
patent: WO 97/02249 (1997-01-01), None
Derwent Abstract 95-116733/16. 1995.
Derwent Abstract 95-247496/33, 1995.
J.W. Lampe et al., J. Org. Chem., 59, 5147-5148 (1994).
J.W. Lampe et al., J. Org. Chem., 61, 4572-4581 (1996).
Didier et al., Tetrahedron, 47(27):4941-4958 (1991).
Krogsgaard-Larsen et al., Acta Chemica Scandinavica, B32(5):327-334 (1978).
Adamset et al., J. Chem. Soc. Perkin Trans 1, pp. 2355-2362 (1995).
Matzinger Peter Karl
Scalone Michelangelo
Zutter Ulrich
Hoffmann-La Roche Inc.
Johnston George W.
Rocha-Tamaloni Patricia S.
Truong Tamthom N.
Wilson James O.
LandOfFree
Asymmetric synthesis process does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Asymmetric synthesis process, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Asymmetric synthesis process will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3379896