Ptt Global Chemical Public Company Limited

University of Missouri

Sophon Kaeothip

Khamphee Phomphrai

Sucheewin Chotchatchawankul

Phonpimon Wongmahasirikun

Kunnigar Vongnam

Nopparat Thavornsin

Pornpen Sae-ung

Anucha Euapermkiati

Alexei Demchenko

Michael R Nichols

Jiraya Kiriratnikorn

The present invention relates to catalyst composition for cyclic carbonate production from COand epoxides under mild conditions, which can effectively catalyze the cyclic carbonate synthesis and provides good selectivity to cyclic carbonate, wherein said catalyst composition comprising:

Catalyst composition for cyclic carbonate production from COand epoxides

The present invention relates to catalyst composition for cyclic carbonate production from COand olefins using halohydrin agent as the co-reactant under mild conditions, which can effectively catalyze the cyclic carbonate synthesis and provides good selectivity to cyclic carbonate, wherein said catalyst composition comprising:

Catalyst composition for cyclic carbonate production from COand olefins

This present invention relates to a catalyst composition for a production process of &#x3b4;-lactone from carbon dioxide and 1,3-butadiene that can efficiently catalyze the synthesis reaction of &#x3b4;-lactone with good selectivity of &#x3b4;-lactone, wherein said catalyst composition comprising: a) palladium metal complexes as shown in structure (I) [Formula should be inserted here] wherein, R, R, Rand Rindependently represents a group selected from a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an amine group, or optionally an alkenyl group, an alkynyl group, a phenyl group, a benzyl group, or a cyclic hydrocarbon group comprising a hetero atom; and b) phosphorus compound selected from a phosphine group having a general formula [Formula should be inserted here], wherein Ris selected from an alkyl group, a cycloalkyl group, or an aryl group. 

Catalyst composition for a production process of &#x3b4;-lactone from carbon dioxide and 1,3-butadiene

This invention relates to a catalyst composition for a producing process of an unsaturated carboxylic acid salt and its derivatives from carbon dioxide and olefin, wherein the catalyst composition in the present invention has been proved to be effective in catalyzing the carboxylation of carbon dioxide and olefin, wherein said catalyst composition comprises: 

Catalyst composition for a producing process of an unsaturated carboxylic acid salt and its derivatives from carbon dioxide and olefin

The invention provides a series of novel Lipid A analogs that are structually simple, synthetically accessible, and capable of blocking the cellular receptor within the signal transduction pathway. The novel Lipid A analogs can include a monosaccharide core with hydrophobic side chains and amino acid ionic motif. The invention further provides methods of using the compounds and compositions thereof in various therapeutic methods.

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Sophon Kaeothip