References
- Lamm , G. and Dehnert , J. German patent 2,206,506 . 1973 .
- Lukes , R. and Kuthan , J. 1960 . Coil. Czech Chem. Comm. , 25 : 2173
- Guthzeit , M. 1893 . Ber. , 26 : 2795
- Colon , I. and Kelsey , D. R. 1986 . J. Org. Chem. , 51 : 2627
- Kwiatkowski , G. T. and Colon , I . 1991 . ACS Pol. Prepr. , 32 ( 1 ) : 342
- Schmidt , H. W. and Junek , H. 1977 . Monatsh. Chem. , 108 : 895
- Little , E. L. Jr , Middleton , W. J. , Coffman , D. D. , Engelhardt , V. A. and Sausen , G. N. 1958 . J. Am. Chem. Soc. , 80 : 2823
- VanSickle , A. P. , Rapoport , H and H. 1990 . J. Org. Chem. , 55 : 895