HRID262142

反应详情

EQUATION

反应方程式

REACTANTS

反应物

HCID5054

Resorcinol

C6H6O2

HCID98307

3-(1-Naphthalenyl)-2-propenoic acid

C13H10O2

HCID21225539

未命名化合物

PRODUCTS

生成物

HCID20570522

7-Hydroxy-4-(naphthalen-1-yl)-3,4-dihydro-2H-1-benzopyran-2-one

C19H14O3

收率 64%

PROCEDURE

实验过程

Condensation of resorcinol with 3-(1-naphthyl)acrylic acid in the presence of hydrochloric acid/hydrogen chloride (method of J. D. Simpson and H. Stephen, J. Chem. Soc. (London) 1936, 1382) gave the desired dihydrocoumarin, m.p. 203.5-206.5, in 64% yield.