Process for preparing...

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

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Reexamination Certificate

active

07847117

ABSTRACT:
Alkyl(methoxymethyl)trimethylsilanylmethylamines are prepared by reacting alkyltrimethylsilanylmethylamines with a substantially equimolar amount of paraformaldehyde and methanol in the presence of a base.

REFERENCES:
patent: 6057342 (2000-05-01), Fevig et al.
patent: 6245001 (2001-06-01), Siaperas
patent: 6265434 (2001-07-01), Caldwell et al.
patent: 7230119 (2007-06-01), Chand et al.
patent: 7419990 (2008-09-01), Sings et al.
patent: 7649002 (2010-01-01), Calabrese et al.
patent: 2009/0093512 (2009-04-01), O'Neill et al.
patent: 69921340 (2005-03-01), None
patent: 0398616 (1990-11-01), None
patent: WO 00/15611 (2000-03-01), None
patent: WO 03/061567 (2003-07-01), None
patent: WO 03/062252 (2003-07-01), None
patent: WO 03061567 (2003-07-01), None
patent: WO 03062252 (2003-07-01), None
patent: WO 2005009950 (2005-02-01), None
patent: WO 2005049602 (2005-06-01), None
patent: WO 2006040182 (2006-04-01), None
Hosomi et al., {Chemistry of organosilicon compounds. 195. N-(Trimethylsilylmethyl)aminomethyl ethers as azomethine ylide synthons. A new and convenient access to pyrrolidine derivatives, Chemistry Letters (1984), (7), 1117-1120}.
Padwa A. et al., On the Use of N-[ Trimethylsilyl) methyl] 3/4 amino Ethers as Capped Azomethine Ylide Equivalents, Journal of Organic Chemistry, American Chemical Society, Easton.: US, vol. 52, No. 2, Jan. 23, 1987, p. 234-244.
Hosomi A. et al., N-(Trimethylsilytmethyl) aminomethyl Ethers as Azomethine Ylide Synthons: a new and Convenient access to Pyrrolidine derivatives, Chemistry Letters, 1984, p. 1117-1120.
Chen et al., Synthesis and characterization of trans-4-(4-chlorophenyl) pyrrolidine 3-carboxamides of piperazinecyclohexanes as ligands for the melanocortin-4 receptor, Bioorganic & Medicinal Chemistry Letters, Pergamon, Elsevier Science, GB, vol. 17, No. 24, Oct. 17, 2007, p. 6825-6831.
Padwa, A. et al., “On the Use of N-[ (Trimethylslsilyl)methyl]amino Ethers as Capped Azomethine Ylide Equivalents,” J: Org. Chem., 1987, 52, pp. 235-244.
Kotian, P. et al., “A Practical Large-Scale Synthesis of (3R,4R)-4-(Hydroxymethyl)pyrrolidin-3-ol via Asymmetric 1, 3,-Dipolar Cycloaddition,” Org. Process Res. & Dev., 2005, 9, pp. 193-197.
Padwa, A. et al., “N-Benzyl-N-Methoxymethyl-N-(Trimeethylsilyl)Mthylamine as an Azomethine Ylide Eqivalent: 2,6-Dioxo-1-Phenyl-4-Benzyl-1,4-Dizabicyclo[3.3.0]Octane (Pyrrolo[3,4-c]pyrrole-1,3(2H,3aH)-dione, tetrahydro-2-phenyl-5-(phenylmethyl)-, cis-),” Org. Syntheses, 1989, 67, pp. 133-140.

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

Process for preparing... 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 preparing..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-4183923

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