Method for making diaryl carbonate

Organic compounds -- part of the class 532-570 series – Organic compounds – Carbonate esters

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C07C 6800

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055042384

ABSTRACT:
Diaryl carbonate is prepared by hydrolysis of a tetraaryl orthocarbonate in the presence of an acid catalyst. The tetraaryl orthocarbonate is synthesized by a reaction between carbon disulfide and a cuprous phenate; the cuprous phenate can be made from cuprous chloride and the corresponding alkali metal phenate. The process may be integrated with recycle of by-products.

REFERENCES:
Kandanarachchi et al., J. Chem. Soc. Chem. Commun., pp. 777-778 (1992).
Kandanarachchi et al., J. Am. Chem. Soc., 116, pp. 5592-5600 and pp. 5601-5606 (1994).
Narasimhamurthy et al., Tetrahedron Letters, 27, pp. 991-992 (1986).
Fieser, Louis F. and Mary Fieser; Reagents for Organic Synthesis; John Wiley and Sons: New York, 1967; pp. 511-514.

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