The compound with the CAS number 68783-84-4 is known as diethyl 2,2-dimethylmalonate. It is an ester derivative of malonic acid and can be synthesized through a multi-step process typically involving the alkylation of malonic acid derivatives.
Here's a general outline of the steps that could be involved in the synthesis:
1. **Formation of Diethyl Malonate**:
- Start with malonic acid, and react it with ethanol in the presence of an acid