Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1956770Generated: November 2, 2026

Water → HCID 22370538, compound

https://huagongshe.com/reaction/1956770

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantSodium HydroxideHCID 14798—
ReactantHCID 22370537HCID 22370537—
SolventQuinolineHCID 7047—
ProductHCID 22370538HCID 2237053858.4%

Reaction Conditions

Temperature170 °C

Reaction Steps

In 5 ml of quinoline was dissolved 0.1 g of the 2-(2-carboxyphenyl)-8-methyl-4-quinolinecarboxylic acid obtained in Example 11 and the solution was heated at 170° C. for 1.5 hours. Then the reaction mixture was poured into water, made alkaline by adding sodium hydroxide and washed with toluene. The aqueous layer was neutralized with 3M hydrochloric acid until a precipitate was formed. After extracting with dichloromethane, 0.05 g of 2-(8-methylquinolin-2-yl)benzoic acid were obtained. NMR (270 MHz, CD3OD): δ 7.5-8.3 (m,9H); 2.63 (s,3H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05780634
Source datasetuspto-grants-1998_07
ORD IDord-477eb241144647d3b7539aefc5a631f4
Source noteuspto-grants-1998_07