Convergent synthesis of .alpha.-aryl-.beta.-ketonitriles

Organic compounds -- part of the class 532-570 series – Organic compounds – Nitriles

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

558355, 558401, 544 581, 544175, 544395, 546230, 548577, C07C25300, C07D27910, C07D26530, C07D21160, C07D20704

Patent

active

061075086

ABSTRACT:
The present invention relates to processes for the production of .alpha.-aryl-.beta.-ketonitriles, which serve as synthetic intermediates in the preparation of a series of biologically important molecules such as corticotropin releasing factor (CRF) receptor antagonists.

REFERENCES:
patent: 4797492 (1989-01-01), Sumimoto et al.
Mitchell, Reginald; Lai, Yee-Hing; and Williams, Richard, N-Bromosuccinimide-Dimethylformamide: A Mild Selective Nuclear Monobromination Reagent for Reactive Aromatic Compounds, J. Org. Chem., 44, 4733-4735, Jul. 2, 1979.
Olah, George; Wang, Qi; Sandford, Graham and Prakash, G. K. Surya, Iodinationof Deactivated Aromatics with N-Iodosuccinimide in Trifluoromethanesulfonic Acid via in Situe Generated Superelectrophilic Iodine Trifluoromethanesulfonate, J. Org. Chem., 58, 3894-3195, Jan. 5, 1993.
Rouiller, Charles A., Heterocyclic Compounds--More than One Hetero Atom, CA, 3465-3468, 1962.
Dominguez, Ester; Ibeas, Estibaliz; Martinez de Marigorta, Eduardo; Kepa Palacios, Jon; and SanMartin, Raul, A Convenient One-Pot Preparative Method for 4,5-Diarylisoxazoles Involving Amine Exchange Reactions, J. Org. Chem, 61, 5435-5439, 1966.
Sakakibara, Tsutomu; Kume, Takashi; and Hase, Tsunao, Halogenation of Isoxazoles, Chem. Express, 4, 85-88, 1989.
Labadie, Sharada, 3-Aryl-2,4,-Pentanediones From 3,5-Dimethyl-4-Iodoisoxazoles: An Application of a Palladium-Catalyzed Cross-Coupling Reaction, Synthetic Communications, 24(5), 709-719, 1994.

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

Convergent synthesis of .alpha.-aryl-.beta.-ketonitriles does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Convergent synthesis of .alpha.-aryl-.beta.-ketonitriles, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Convergent synthesis of .alpha.-aryl-.beta.-ketonitriles will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-582862

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