Organic compounds -- part of the class 532-570 series – Organic compounds – Phosphorus esters
Patent
1998-12-28
1999-09-14
Ambrose, Michael G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Phosphorus esters
558 87, 568363, 568367, C07F 940, C07C 49653
Patent
active
059525193
ABSTRACT:
The present invention describes novel C-15 allenic phosphonate reagent compositions of the formula: ##STR1## The invention also describes novel C-15 allylic phosphonate reagent compositions of the formula: ##STR2## The invention also describes methods of preparing canthaxanthin, the phosphonate reagent compositions, and a tertiary propargylic alcohol of the formula: ##STR3##
REFERENCES:
patent: 3197497 (1965-07-01), Olivette
patent: 4000198 (1976-12-01), Rosenberger
patent: 5061819 (1991-10-01), Babler
patent: 5847185 (1998-12-01), Babler
Chemical Abstracts 1965, 63, 13318e of U.S. Patent No. 3,197,497.
Chemical Abstracts 1972, 76, 4035g of German Patent No. 2,109,875.
Chemical Abstracts 1977, 86, 155834z of German Patent No. 2,534,805.
Chemical Abstracts 1977, 87, 39706f of U.S. Patent No. 4,000,198.
Chemical Abstracts 1981, 94, 174463j of European Patent Application 17,800.
Chemical Abstracts 1982, 96, 199941t of Japanese Patent 81,161,370.
Entschel, et al., Helv. Chim. Acta. 1958, 41, 402-413.
Becher, et al., Helv. Chim. Acta. 1981, 64, 2419-2435.
Hibbert, et al., J. Am. Chem Soc. 1924, 46, 119-130.
Michalski, et al., J. Chem. Soc. 1961, 4904-4906.
Rosenberger, et al., J. Org. Chem. 1982, 47, 2130-2134.
Brooks, et al., J. Org. Chem. 1983, 48, 277-278.
Brooks, et al., J. Org. Chem. 1985, 50, 628-632.
Ranu, et al., J. Org. Chem. 1988, 63, 5250-5251.
Johnson, et al., Org. Synth., 1950, 30, 18-21.
Rosenberger, et al., Pure & Appl. Chem., 1979, 51, 871-886.
Bernhard, et al., Pure & Appl. Chem., 1991, 63, 35-44.
Bertram, Pure & Appl. Chem., 1994, 66, 1025-1032.
Mal'kina, et al., Synthesis, 1996, 589-590.
Altenbach, et al., Tetrahedron Letters, 1981, 22, 5175-5178.
Ohtuska, et al., Tetrahedron Letters, 1986, 27, 203-206.
Ranu, et al., Tetrahedron Letters, 1994, 35, 8649-8650.
Swindell, et al., Tetrahedron Letters, 1994, 35, 4959-4962.
Ambrose Michael G.
Loyola University of Chicago
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