The remote-oxyfunctionalization of unactivated carbons in (5β)-3-oxobile acids by 2,6-dichloropyridine N-oxide catalyzed by ruthenium-porphyrin and HBr: A direct lactonization at C-20

Organic and Biomolecular Chemistry

Volumn 2, Issue 7, 2004, Pages 1013-1018

  Ogawa, Shoujiro ^a   Iida, Takashi ^a   Goto, Takaaki ^b   Mano, Nariyasu ^b   Goto, Junichi ^b   Nambara, Toshio ^b  

^a NIHON UNIVERSITY   (Japan)

^b TOHOKU UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

BROMINE COMPOUNDS; CATALYSTS; DEHYDRATION; DERIVATIVES; ELECTRONIC STRUCTURE; ENZYMES; ESTERS; HYDROLYSIS; NITROGEN COMPOUNDS; OXIDATION; RUTHENIUM COMPOUNDS;

OXOBILE ACIDS; OXYGENATION; REMOTE-OXYFUNCTIONALIZATION;

CARBOXYLIC ACIDS;

EID: 2342582711     PISSN: 14770520     EISSN: None     Source Type: Journal    
DOI: 10.1039/b314965j     Document Type: Article

References (24)

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23. Authentic compounds 11, 13 and 21 were prepared by acylation of the corresponding 3-oxobile acid methyl esters (see references cited below) with acetic anhydride in pyridine using standard procedures. (a) T. Iida, T. Tamura, T. Matsumoto and F. C. Chang, J. Lipid Res., 1985, 26, 874; (b) T. Iida, T. Momose, T. Nambara and F. C. Chang, Chem. Pharm. Bull., 1986, 34, 1929; (c) T. Iida, T. Momose, F. C. Chang and T. Nambara, Chem. Pharm. Bull., 1986, 34, 1934.
24. Authentic compounds 11, 13 and 21 were prepared by acylation of the corresponding 3-oxobile acid methyl esters (see references cited below) with acetic anhydride in pyridine using standard procedures. (a) T. Iida, T. Tamura, T. Matsumoto and F. C. Chang, J. Lipid Res., 1985, 26, 874; (b) T. Iida, T. Momose, T. Nambara and F. C. Chang, Chem. Pharm. Bull., 1986, 34, 1929; (c) T. Iida, T. Momose, F. C. Chang and T. Nambara, Chem. Pharm. Bull., 1986, 34, 1934.