References
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- Bishop , M. J. and Fleming , I. 1969 . J. Chem. Soc. C. , : 1712
- Chuit , C. , Felkin , H. , Ny , G. L. , Lion , C. and Prunier , L. 1972 . tetrahedron , 28 : 4787
- Murray , D. F. , Baum , M. W. and Jones , M. Jr. 1986 . J. Org. Ghem. , 51 : 1
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- Autry , R. L. and Tahk , F. C. 1968 . Tetrahedron , 24 : 3337 Autry and Tahk reported difficulty in the quaternization of the 4-methyl analog of 3a; cf
- Oxidation to the acetate 5a followed the method of Cope,5 but the acetate was saponified to give 5b rather than reduced with LiAlH4
- Cope , A. C. , Park , C. H. and Scheiner , P. 1962 . J. Am. Chem. Soc. , 84 : 4862
- Mancuso , A. J. , Huang , S.-L. and Swern , D. J. 1978 . J. Org. Chem. , 43 : 2480 The procedure was modified by the use of the reagents in three-fold excess
- Danheiser , R. L. , Morin , J. M. Jr. and Solaski , E. J. 1985 . J. Am. Chem. Soc. , 107 : 8066
- Trost , B. M. and Tamaru , Y. 1977 . Ibid , 99 : 3101
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- The general method of Bastable10 was followed with the exceptions that acid chloride 7a was prepared with oxalyl chloride in benzene (room temperature, 12 h) and azide 7b was decomposed in methanol to give 8 rather than in ethanol
- Bastable , J. W. , Hobson , J. D. and Riddell , W. D. 1972 . J. Chem. Soc., Perkin Trans. 1 , : 2205
- Blanchard , E. P. Jr. 1963 . J. Org. Chem. , 28 : 1397