눈에 묻으면 몇 분간 물로 조심해서 씻으시오. 가능하면 콘택트렌즈를 제거하시오. 계속 씻으시오.
P321
(…) 처치를 하시오.
P330
입을 씻어내시오.
P332+P313
피부 자극이 생기면 의학적인 조치· 조언을 구하시오.
P362
오염된 의복을 벗고 세척 후에 재사용하기
P501
...에 내용물 / 용기를 폐기 하시오.
2-(4-isobutylphenyl)propionaldehyde C화학적 특성, 용도, 생산
용도
2-(4-Isobutylphenyl)propanal is an impurity of the drug Ibuprofen (I140000), a selective cyclooxygenase inhibitor that also inhibits PGH synthase-1 and PGH synthase-2 with comparable potency.
생산 방법
Numerous methods are known for the synthesis of 2-(4-isobutylphenyl)propionaldehyde. It can be prepared by reaction of p-isobutylacetophenone with methyl chloroacetate using sodium methoxide as catalyst, followed by reaction of the glycidic ester with BF3 to give 2- hydroxy-3-(4-isobutylphenyl)-3-butenoic acid methyl ester, which is subsequently treated with mineral acid Avariant of the process is the hydrolysis of the intermediately formed glycidic ester with alkali to give the corresponding salt of glycidic acid, which is then decarboxylated. In addition, 2-(4-isobutylphenyl)propanal is formed by isomerization of 2-(4-isobutylphenyl)- 2-methyloxirane on Al2O3-SiO2 or anhydrous ZnCl2, by reaction of 1-(4-isobutylphenyl)- 1-chloroethane with dimethylformamide in the presence of Li or Na in tetrahydrofuran, and in good yields by Rh- or Co-catalyzed hydroformylation of p-isobutylstyrene.
