Synthesis of...

Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing

Reexamination Certificate

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C564S142000, C564S166000

Reexamination Certificate

active

07910775

ABSTRACT:
Disclosed is a process for making the compound of formula I:using the compounds of formulas II, Q, and XI or XII:wherein A is selected from the group consisting of Br, Cl and I (with Br being preferred); and R represents (C1-C10)alkyl. Also disclosed are intermediate compounds that are made in the disclosed process.

REFERENCES:
patent: 2003/0204085 (2003-10-01), Taveras et al.
patent: 2 298 861 (1996-09-01), None
patent: WO 99/44985 (1999-09-01), None
patent: WO 02/083624 (2002-10-01), None
patent: WO 03/080053 (2003-10-01), None
patent: WO 2004/011418 (2004-02-01), None
Rampino et al. “Applicability of Palladium Synthetic High Polymer Catalysts,” J. Am. Chem. Soc. 63-3268 (1941).
Chakraborty et al, “Diastereoselective Strecker Synthesis Using a-Phenylglycinol as Chiral Auxiliary,” Tetrahedron Letters, vol. 32, No. 51, pp. 7597-7600 (1991).
Higashiyama et al,“Diastereoselective Addition of Organometallic Reagents to Chiral Imines and 1,3-Oxazolidines,” vol. 33, No. 2, pp. 235-238 (1992).
Abstract No. 115:182817 and 1991-159963 for Japanese 3-95144 (1993).
Abstract No. 130:153574 for Japanese 11-029540 (1999).
Miao et al, Tetrahedron Letters, vol. 34, No. 14, pp. 2259-2262 (1993).
PCT/US2004/011882, PCT InternationalPreliminary Report on Patentability (Mar. 22, 2005).

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