IRON-CATALYZED CROSS-COUPLING OF METHHANOL WITH SECONDARY OR TERTIARY ALCOHOLS TO PRODUCE FORMATE ESTERS
A process for preparing a variety of secondary and tertiary alkyl formate esters via the coupling of methanol and secondary (or tertiary) alcohols. Iron-based catalysts, supported by pincer ligands, are employed to produce these formate esters in high yields and unprecedentedly high selectivities (>99%). Remarkably, the coupling strategy is also applicable to bulkier tertiary alcohols, which afford corresponding tertiary formate esters in moderately high yields and high selectivities.
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Paragraph 0124-0126
(2019/02/17)
PROCESS FOR MAKING FORMIC ACID UTILIZING LOWER-BOILING FORMATE ESTERS
Disclosed is a process for recovering formic acid from a formate ester of a C3 to C4 alcohol. Disclosed is also a process for producing formic acid by carbonylating a C3 to C4 alcohol, hydrolyzing the formate ester of the alcohol, and recovering a formic acid product. The alcohol may be dried and returned to the reactor. The process enables a more energy efficient production of formic acid than the carbonylation of methanol to produce methyl formate.
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Paragraph 00177; 00178
(2019/02/15)
Acetylation and formylation of alcohols in the presence of silica sulfuric acid
Alcohols are converted to esters in a mild, clean, and efficient reaction with acetic and formic acids in the presence of silica sulfuric acid. All reactions were performed under mild and completely heterogeneous conditions in refluxing n-hexane.
Shirini, Farhad,Zolfigol, Mohammad Ali,Mohammadi, Kamal
p. 1617 - 1621
(2007/10/03)
Phase-Managed Organic Synthesis. A New Synthesis of Mixed Formic Anhydrides
Two new mixed formic anhydrides, cinnamic formic anhydride and formic 4-methoxybenzoic anhydride, can be prepared in high yield ( c.a. 80percent) from equimolar mixtures of sodium formate and the appropriate acid chloride with a solid-phase copolymer of pyridine 1-oxide as catalyst, and they exhibit excellent selectivity as formylating agents of alcohols and amines
Fife, Wilmer K.,Zhang, Zhi-dong
p. 3744 - 3746
(2007/10/02)
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