Prepn: Perkin, J. Chem. Soc. 55, 546 (1889); Goldzweig, Kaiser, J. Prakt. Chem. [2] 43, 86 (1891); Cox, J. Am. Chem. Soc. 49, 1028 (1927); Hartung et al., ibid. 53, 4153 (1931); Farinholt, ibid. 55, 3386 (1933); Miller, Hartung, Org. Synth. coll. vol. II (1943) p 543. Derivatives: Buu-Hoi, Rec. Trav. Chim. 68, 759 (1949).
Pituitary gonadotropic hormone inhibitor.
Antigonadotropin