March, Advanced Organic Chemistry, Second Edition, pp. 460-466, McGraw-Hill Pub. QD 251 M2 1977, C.5. |
Jerry March, Advanced Organic Chemistry Reactions, Mechanisms, and Structure, Third Edition, pp. 598-600, 1086-1087, 1089-1090, 1985, New York, N.Y. |
Alan R. Katritzky, Handbook of Heterocyclic Chemistry, pp. 145-146, 1985, New York, N.Y. |
Jerry March, Advanced Organic Chemistry Reactions, Mechanisms, and Structure, SEcond Edition, pp. 658-659, 1977, New York, N.Y. |
CRC Handbook of Chemistry and Physics, 64th Edition, C-488-9, C-90-160, 1983-1984, Boca Raton, Fla. |