20029-52-1Relevant articles and documents
Preparation method of 4-cyclohexylbenzoic acid
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Paragraph 0013-0015, (2022/01/12)
The invention relates to the technical field of medicine preparation, in particular to a preparation method of 4-cyclohexylbenzoic acid. The preparation method comprises the following steps: 1) preparing a Grignard reagent from 1-bromo-4-cyclohexylbenzene; 2) subjecting the Grignard reagent to reacting with carbon dioxide in an organic solvent; and 3) carrying out acidifying to obtain the 4-cyclohexylbenzoic acid. According to the preparation method of the 4-cyclohexylbenzoic acid, the raw materials are easy to obtain, cost is low, a process is stable, and the prepared 4-cyclohexylbenzoic acid is high in chemical purity; and the conditions of heating, usage of magnesium powder and the like are creatively designed, a small amount of bromocyclohexyl benzene is firstly added for initiation, and then residual bromobenzene is added under the condition of heating, so the preparation of the Grignard reagent of 1-bromo-4-cyclohexylbenzene is realized, the technical defect that an expensive catalyst or an expensive ligand needs to be adopted for preparing 4-cyclohexylbenzoic acid in the prior art is overcome, and remarkable progress is achieved.
Copper catalyzed oxygen assisted C(CNOH)-C(alkyl) bond cleavage: A facile conversion of aryl/aralkyl/vinyl ketones to aromatic acids
Sathyanarayana, Pochampalli,Ravi, Owk,Muktapuram, Prathap Reddy,Bathula, Surendar Reddy
supporting information, p. 9681 - 9685 (2015/09/28)
A novel copper-catalyzed aerobic oxidative C(NOH)-C(alkyl) bond cleavage reaction of aryl/aralkyl/vinyl ketones for the synthesis of aromatic/acrylic acids is described. A series of ketones having aryl/aralkyl/vinyl at the one end and methyl to any higher alkyl at the other end can be selectively cleaved and converted into the corresponding acids via oxime intermediates.
PYRROLIDINE OR THIAZOLIDINE CARBOXYLIC ACID DERIVATIVES, PHARMACEUTICAL COMPOSITION AND METHODS FOR USE IN TREATING METABOLIC DISORDERSAS AS AGONISTS OF G- PROTEIN COUPLED RECEPTOR 43 (GPR43)
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Page/Page column 204, (2011/07/07)
The present invention is directed to novel compounds of formula (I) and their use in treating and/or preventing metabolic diseases.