1. Kurien, Pandya and Surange,Jour. Ind. Chem. Soc., 1934,XI, 823; Azhar Ali Khan, Kurien and Pandya,Proc. Ind. Acad. Sci., 1935, (A), 1, 440; Pandya and Vahidy,ibid. Proc. Ind. Acad. Sci., 1936, (A),4, 134, 140 and 144; 1937, (A),5, 437.
2. Kauffmann,Ber. 15, 805; Rousseau,Compt. rend.,94, 133; Rousset,Bull. Soc. Chim., 1897,17, 812; Walter,D. R. P., 118567;Chem. Zent., 1901, 1, 652; Geigy and Co.,D. R. P., 105798;ibid. Geigy and Co.,D. R. P., 1900,1, 523; Bezdzik, Friedländer,Monat., 29, 381; Friedländer,Ber., 41, 1038; Fosse,Bull. Soc. Chim., 1901,25, 373.
3. Gattermann and v. Horlacher,Ber.,32, 285.
4. Roger, Adams and Levine,Jour. Am. Chem. Soc., 1923,45, 363. The details were suggested in a private communication by Dr. R. C. Shah, Ismail College, Andheri, and have recently been included in a recent text-book by Prof. B. B. De. entitledLaborator Manual of Organic Chemistry, 1937,2, 67.
5. Kauffmann,Ber.,16, 85.