Organic compounds -- part of the class 532-570 series – Organic compounds – Unsubstituted hydrocarbyl chain between the ring and the -c-...
Reexamination Certificate
2011-04-26
2011-04-26
Berch, Mark L (Department: 1624)
Organic compounds -- part of the class 532-570 series
Organic compounds
Unsubstituted hydrocarbyl chain between the ring and the -c-...
C548S556000
Reexamination Certificate
active
07932381
ABSTRACT:
An object of the present invention is to provide a carbapenem synthetic intermediate which is advantageous in an industrial process. There are provided a process for producing Compound (I), or a pharmaceutically acceptable salt, or a solvate, or a crystal thereof, comprising reacting Compound (III) and Compound (IV) in the presence of the secondary amine, and a benzyl alcoholated crystal of Compound (I). There are further provided a method of deprotecting Compound (I) with a Pd catalyst, and a crystal of Compound (IV).
REFERENCES:
patent: 5317016 (1994-05-01), Nishitani et al.
patent: 5539102 (1996-07-01), Sendo et al.
patent: 5703243 (1997-12-01), Nishitani et al.
patent: 2006/0229285 (2006-10-01), Uenaka
patent: 64-79180 (1989-03-01), None
patent: 2-15080 (1990-01-01), None
patent: 2003-26680 (2003-01-01), None
patent: 2008303143 (2008-12-01), None
patent: 2006/117763 (2006-11-01), None
International Search Report issued Apr. 25, 2006 in International (PCT) Application No. PCT/JP2006/302482.
Form PCT/IB/338 and International Preliminary Report on Patentability including translation of PCT Written Opinion dated Aug. 30, 2007 issued in International (PCT) Application No. PCT/JP2006/302482.
Yutaka Nishino et al., “Practical Large-Scale Synthesis of Doripenem: A Novel 1 β-Methylcarbapenem Antibiotic”, Organic Process Research and Development, vol. 7, No. 6, pp. 846-850, 2003.
Berch Mark L
Shionogi & Co. Ltd.
Wenderoth , Lind & Ponack, L.L.P.
LandOfFree
Process for producing carbapenem derivative and intermediate... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for producing carbapenem derivative and intermediate..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for producing carbapenem derivative and intermediate... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2655730