References
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- Based on representative yields of 50–75% for each alkylation an overall yield of 25–56% for two steps is calculated.
- Zook , H. D. , Russo , T. J. , Ferrand , E. F. and Stotz , D. S. 1968 . J. Org. Chem. , 33 : 2222
- These products may result from a further reaction of an initially formed ß-ketoamide.
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