本发明涉及式Ⅰ所示的邻位取代的苯甲酸衍生物及其生理上无害的盐,式Ⅰ中R Ortho relates to the present invention shown in Formula Ⅰ-substituted benzoic acid derivatives and their physiologically harmless salts, of formula wherein R ⅠR·格里克D·道西M·鲍咖思K-O·敏克N·贝尔...
A novel process for the synthesis of ortho-substituted benzoic acid by lithiating an unprotected benzoic acid and a number of novel orth- substituted benzoic acids are described.doi:US5334753 ABernard BennetauPaul A. CainUSUS5334753 * 1992年12月23日 1994年8月2日 Rhone-Poulenc Agriculture Ltd ...
Substrate scope in the direct imine acylation of ortho-substituted benzoic acid derivatives: the total synthesis (±)-cavidineSubstrate scope in the direct imine acylation of ortho-substituted benzoic acid derivatives: the total synthesis (±)-cavidinedoi:10.1016/j.tet.2014.04.066N...
Comparison of molecular structure of alkali metal ortho substituted benzoateso-aminoo-nitroo-methoxyo-hydroxyo-chlorobenzoatesFT-IRFT-RamanNMRDFTmolecular structureThe influence of the amino-, nitro-, methoxy-, hydroxy- and chloro-substituents in the ortho position towards the carboxylic group as ...
Reaction of (n-Bu)2SnO with ortho-substituted benzoic acids yielded the new tin(IV) derivatives (n-Bu)2Sn(O2CC6H4-o-OH)2 (1) and (n-Bu)2Sn(O2CC6H4-o-Cl)2 (2), whose X-ray analyses showed hydrogen bonding in 1 and long Sn-O bridges in 2, leading to dimeric formulations. Sol...
aAn easy and generalized route to 2(3H)-benzimidazolones, 2(3H)-benzoxazolone and 2(3H)-benzothiazolone is attempted. A novel one-pot method for the in situ generation and cyclisation of ortho substituted benzoic acid azides is reported via the application of ammonium azide 容易和广义路线到2...
Directed ortho metalation. Tertiary amide and O-carbamate directors in synthetic strategies for polysubstituted aromatics Cryoscopic Studies on Bases in Sulfuric Acid: The Ionization of Di-ortho Substituted Benzoic Acids1 Linear Free Energy Relationships from Rates of Esterification and Hydrolysis of Aliph...
DirectedOrtho-Metalation of Unprotected Benzoic Acids. Methodology and Regioselective Synthesis of Useful Contiguously 3- and 6-Substituted 2-Methoxybenzoic Acid Building Blocks T.-H. Nguyen, A.-S. Castanet, J. Mortier,Org. Lett.,2006,8, 765-768. ...
a.a combining form used in the name of the most hydrated acid in a given series:orthoboric acid.Comparemeta- (def. 2a),pyro- (def. 2a). b.a combining form used in the names of benzene derivatives in which the substituting group occupies the ortho position in the benzene ring. ...
Suitable acid addition salts are salts of all the pharmacologically tolerated acids, for example halides, in particular hydrochlorides, lactates, sulfates, citrates, tartrates, acetates, phosphates, methylsulfonates and p-toluene sulfonates. The compounds I are substituted acylguanidines. While EP-...