Methods for the synthesis of chemical compounds

Details Methods for the synthesis of chemical compounds Methods for the synthesis of chemical compounds

1994-02-04

1995-12-26

Langel, Wayne

Chemistry of inorganic compounds

Nitrogen or compound thereof

Ammonia or ammonium hydroxide

423564, 423659, 564305, 564408, 568772, 570189, 570226, 570227, 570228, 585641, 585642, C01B 1716, C01C 100, C07C 3700, C07C21100

Patent

active

054785480

ABSTRACT:
Methods for synthesis of chemical compounds by catalytic transfer hydrogenation comprise forming a mixture of a starting material, a hydrogen donor material and a catalyst. The catalyst is selected from a catalytic form of carbon, a polyethylene glycol phase transfer agent, and mixtures thereof. The mixture is heated at a temperature of from 30.degree. to 400.degree. C. in the presence of at least one alkali or alkaline earth metal compound to cause reduction of the starting material by catalytic transfer hydrogenation and form the desired chemical compound product.

REFERENCES:
patent: 5064526 (1991-11-01), Rogers et al.
patent: 5143710 (1992-09-01), Sawyer et al.
Transfer Hydrogenolysis of Aryl Halides and Other Hydrogen Acceptors by Formate Salts in the Presence of Pd/C Catalyst, Harold Wiener et al., J. Org. Chem. 1991, 56 pp. 6145-6148.
Catalytic Exchange of Alkylbenzenes with Deuterium on Nickel Films, E. Crawford et al., Trans. Faraday Soc., 58 pp. 2452-2467 (1962).
Stereocontrolled Formation of CIS and Trans Ring Junctions in Hydrindane and Decalin Systems by Palladium-Catalyzed Regioselective and Stereospecific Hydrogenolysis of Allylic Formates, Tadakatsu Mandai et al., J. Org. Chem. 1991, 57 pp. 1326-1327.
Heterogenous Catalytic Transfer Hydrogenation and its Relation to Other Methods for Reduction of Organic Compounds, Robert Johnstone et al., Chem. Rev. 1985, 85, pp. 129-170.
Palladium-Catalyzed Recutions of .alpha..beta.-Unsaturated Carbonyl Compounds, Conjugated Dienes, and Acetylenes with Trialkylammonium Formates, Nicholas A. Cortese et al., J. Org. Chem. vol. 43, No. 20, 1978, pp. 3985-3987.
Application of Aqueous Formate Salts as Hydrogen Donors in Reduction Processes: A Techno-Economic Comparison with Pressurized and Electrically Generated Hydrogen Gas, H. Wiener et al., Int. J. Hydrogen Energy, vol. 14, No. 6, pp. 365-379.
"A New Synthesis of Biaryls from Aryl Halides Using Aqueous Alkaline Sodium Formate with Palladium on Charcoal and Surfactant as Catalyst", Peter Bamfield et al., Synthesis, Jul. 1978, pp. 537-538.

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