Orlov, V. D.; Nodel'man, O. A.; Mikhed'kina, E. I.
J. Gen. Chem. USSR (Engl. Transl.), 1981 , vol. 51, # 5 p. 1153 - 1159,969 - 974

Chatterjee, Amareshwar; Dutta, Lakshmi N.; Chatterjee, Swapan K.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1980 , vol. 19, # 11 p. 955 - 960

Arndt
Chemische Berichte, 1925 , vol. 58, p. 1631
Chemische Berichte, 1923 , vol. 56, p. 1279

Chatterjee, Amareshwar; Dutta, Lakshmi N.; Chatterjee, Swapan K.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1980 , vol. 19, # 11 p. 955 - 960