Darzens Synthesis of Tetralin Derivatives

G. Darzens, Compt. Rend. 183, 748 (1926).

Cyclization of α-benzyl-α-allylacetic acid type compounds by moderate heating in concentrated sulfuric acid to yield tetralin derivatives:

E. Bergmann, Chem. Rev. 29, 536 (1941); J. N. Chatterjea et al., Indian J. Chem. 20B, 264 (1981).