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Demonstrates acid-catalyzed synthesis of methylene diphenyl dicarbamate, indicating a greener alternative to traditional methods.
The phosgene-free synthesis of methylene diphenyl diisocyanate (MDI) from dimethyl carbonate (DMC) involves the acid-catalyzed condensation of methyl N -phenylcarbamate (MPC) with formaldehyde (HCHO) to produce methylene diphenyl carbamate (MDC).
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Chen et al. (2026) studied this question.
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