Dimethyl 3-cyclopentene-1,1-dicarboxylate(CAS: 84646-68-4)

Dimethyl 3-cyclopentene-1,1-dicarboxylate is a colorless liquid at room temperature. Its molecular weight is approximately 166.24 g/mol. It is slightly soluble in water but miscible with common organic solvents. Chemically, it is relatively stable but can undergo ester hydrolysis and esterification reactions under certain conditions.

Dimethyl 3-cyclopentene-1,1-dicarboxylate is usually synthesized via the multistep process involving the alkylation of maleic anhydride with methanol, followed by esterification. The reaction is catalyzed by acid or base, and the yield is typically around 75-85%. Careful control of reaction conditions ensures high selectivity and purity.

Dimethyl 3-cyclopentene-1,1-dicarboxylate is used in various industries, including pharmaceuticals for the synthesis of certain drugs, polymers for their modification, and as a precursor in the production of sensors and semiconductors. It serves as a valuable intermediate in organic synthesis owing to its reactive functionality.

When handling Dimethyl 3-cyclopentene-1,1-dicarboxylate (CAS: 84646-68-4), it is important to use appropriate personal protective equipment such as gloves, goggles, and lab coats. Store the compound in a closed container away from heat and humidity. Use in a fume hood to avoid inhalation. In case of spill, neutralize with an appropriate base, collect the residue, and dispose of according to local regulations.