Formation of carbonate esters and orthocarbonates

Organic compounds -- part of the class 532-570 series – Organic compounds – Esters having the thiocarboxylate group – -cx- – wherein the...

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558274, 568592, C07C 6800, C07C 6806

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056634064

ABSTRACT:
A carbonate ester is produced by the metal-induced reaction of a hydroxy compound with a sulfur compound in a melt process. An orthocarbonate can also be produced. The orthocarbonate can be converted into carbonate ester in a subsequent operation.

REFERENCES:
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Synthesis of Aryl Orthocarbonates. Narasimhamurthy, N. and A.G. Samuelson. Tetrahedron Letters, vol. 27, No. 8, 1986, pp.991-992 (Great Britain).
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Destabilisations of a Carbocation by .sub..alpha. -Oxygen Substitution: the Hydrolysis of Othocarbonates. Kandanarachchi and Michael L. Sinnott. J.Chem. Soc., Chem Commun., 1992. pp. 777-778.
Hydrolysis of Aryl Orthocarbonates by General Acid Catalyzed and Spontaneous Process. Kandanarachchi and Michael L. Sinnott. J.Am. Chem. Soc. 1994, 116, 5592-5600, 5601-5606.
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Reatction of Dialkyltin Dialkoxides with Carbon Disulfide at Higher Temperature. Sakai, Shizuyoski, Yoshihiro Kobayashi, and Yoshio Ishit. J. Org. Chem., vol. 36, No. 9, 1971, pp.1176-1180.
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