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68783-84-4 synthesis


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 catalyst (such as sulfuric acid) to form diethyl malonate. 2. **Alkylation of Diethyl Malonate**: - The next step is to alkylate the diethyl malonate. This involves deprotonating one of the alpha hydrogen atoms of diethyl malonate using a strong base (like sodium ethoxide or sodium hydride) to form an enolate ion. - The enolate can then react with an alkyl halide (i.e., 2-bromo-2-methylpropane) to introduce the additional alkyl groups, leading to the formation of diethyl 2,2-dimethylmalonate. 3. **Purification**: - The product can be purified using techniques such as recrystallization or chromatography. Please ensure to check the literature or more specialized synthetic organic chemistry resources for exact conditions and methodologies, as specifics can vary based on the desired yield and purity. Additionally, laboratory safety protocols should always be followed when conducting chemical synthesis.