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By Thomas F. DeRosa

Advances in man made natural Chemistry and techniques suggested in US Patents offers man made instructions for getting ready present and commercially major natural compounds, derivatives, and intermediates as said in issued US Patents. Industries surveyed contain agrochemical, cosmetics and private care items. each one access includes broad details reminiscent of specific laboratory instructions for getting ready all chemical intermediates and characterization info. in addition, product optimization reports, commercial guidance, and new man made equipment were integrated for chosen entries, in addition to projected learn instructions for destiny product improvement. In Advances in man made natural Chemistry and strategies suggested in US Patents the author's useful process allows readers to spot study and marketplace developments, and remain updated on present advancements within the box. * offers man made guidance for getting ready present and commercially major natural compounds, derivatives, and intermediates as mentioned in issued US Patents * Identifies product improvement tendencies to aid make sure learn parts * Elucidates use of the U.S. Patent and Trademark place of work database

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In a typical separation procedure 82% of the (E)-isomer remained dissolved while the (Z)-isomer precipitated from solution and was isolated by filtration. 2. Diarylmethylenefuran derivatives of the current invention have also been prepared (1) using a modified Reformatsky reaction illustrated in Eq. 1: i- N,N-Diethylamine, bromoethane, magnesium, diethyl ether ii- Trifluoroacetic acid/trifluoroacetic anhydride 3. 4- or 5-Sulfonylmethyl-3(2H)-furanone derivatives have also been prepared (2) as illustrated in Eq.

5. In a subsequent investigation by the author, cis- and trans-4-(2,2,3,3-tetrafluoropropoxy)cinnamonitrile derivatives were prepared (3). References 1. S. Kuami et al, US Patent 5,093,515 (May 3, 1992) 2. S. Davenport et al, US Patent 4,346,248 (August 24, 1984) 3. M. D. Graves et al, US Patent 6,206,819 (March 27, 2001) Assignee: Rohm and Haas Company Utility: Acetyl Chlorination Catalyst Patent: Reaction i- Formamide, hydrochloric acid, cumene ii- Pridine, n-Butyl ether, thionyl chloride Experimental 1.

References 1. K-H. Schulte-Eite, US Patent 3,887,625 (June 3, 1975) 2. M. Fujisawa et al, Bull. Soc. Chem. , 55, 3555 (1982) 3. R. Fischer, US Patent 5,453,535 (September 26, 1995) ADVANCES IN SYNTHETIC ORGANIC CHEMISTRY 20 Halogenated Cinnamic Acids and Esters Thereof, Processes for the Preparation Thereof and Halogenated Aryldiazonium Salts M. Beller et al, US Patent 5,516,932 (May 14, 1996) Assignee: Hoechst Aktiengesellschaft Utility: Sun Screen Additive Patent: Reaction i- THF, tetrafluoroboric acid, sodium nitrite ii- 2-Ethylhexyl acrylate, dimethylsulfoxide, 5% palladium on carbon Experimental 1.

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