References
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- In no case monoalkylation products were formed even when less than 2 equivalents of alkylating agent was used. In contrast it has been reported (3) that in the same conditions an aliphatic substrate (2,4‐pentanedione) gives rise to a mixture of mono C‐ and O‐ alkylation products
- Mosher , W. A. and Soeder , R. W. 1971 . J. Org. Chem. , 36 : 1561 2‐Methyl‐1,3‐indanedione Ib was prepared according to