Detail of "342013-78-9"
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- Unusual Sterically Controlled Regioselective Lithiation of 3-Bromo-5-(4,4'-dimethyl)oxazolinylpyridine
- All Rights Reserved. Unusual Sterically Controlled Regioselective Lithiation of 3-Bromo-5-(4,4'-dimethyl)oxazolinylpyridine. Straightforward Access to Highly Substituted Nicotinic Acid Derivatives. Robert, Nicolas; Bonneau, Anne-Laure; Hoarau, Christophe; Marsais, Francis (Laboratoire de Chimie Organique Fine et Heterocyclique, UMR 6014, Universite de Rouen, IRCOF-INSA Rouen BP08, Mont Saint Aignan 76131, Fr.). Organic Letters, 8(26), 6071-6074 (English) 2006 American Chemical Society. CODEN: ORLEF7. ISSN: 1523-7060. DOCUMENT TYPE: Journal CA Section: 27 (Heterocyclic Compounds (One Hetero Atom)) Lithiation of 5-bromonicotinic acid protected as secondary or tertiary amide as well as 4,4'-dimethyloxazolinyl deriv. 342013-78-9 is the cas registry number of certain chemical which is used as reagents here. with lithium amides is reported. The unusual C-2 and C-4 regioselective lithiation of 3-bromo-5-(4,4'-dimethyloxazolinyl)pyridine using LiTMP vs. LDA was obsd. providing a new route to substituted nicotinic acid scaffolds. The methodol. was applied to the synthesis of novel C-4 and C-6 arylated 5-bromonicotinic acids. .


