Advances in Synthetic Organic Chemistry and Methods Reported by Thomas F. DeRosa

By Thomas F. DeRosa

Advances in artificial natural Chemistry and techniques pronounced in US Patents presents artificial directions for getting ready present and commercially major natural compounds, derivatives, and intermediates as suggested in issued US Patents. Industries surveyed comprise agrochemical, cosmetics and private care items. every one access comprises broad info equivalent to specific laboratory instructions for getting ready all chemical intermediates and characterization facts. in addition, product optimization reviews, business coaching, and new man made tools were incorporated for chosen entries, in addition to projected learn instructions for destiny product improvement. In Advances in man made natural Chemistry and strategies mentioned in US Patents the author's useful strategy allows readers to spot examine and industry tendencies, and remain up to date on present advancements within the box. * presents artificial directions for getting ready present and commercially major natural compounds, derivatives, and intermediates as pronounced in issued US Patents * Identifies product improvement tendencies to assist make sure examine components * Elucidates use of the united states Patent and Trademark place of work database

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9. Other methods for preparing ester and diamine analogues of the current invention are disclosed (3). References 1. M. Kent et al, US Patent 6,204,398 (March 20, 2001) 2. H-J. Mair, US Patent 6,130,354 (October 10, 2000) 3. U. M. Friedman et al, US Patent 6,204,391 (March 20, 2001) Assignee: The Regents of the State of California Utility: Antiviral and Virucide to Inhibit Human Retroviral Replication Patent: Reaction i- Carbon tetrachloride, aluminum chloride, hydrochloric acid, sodium hydroxide ii- Ethyl alcohol, hydrazine, acetic acid iii- THF, nickel peroxide, sodium hydroxide, ethyl alcohol iv- C60 Buckminsterfullerene, toluene, THF, 1,2-dichlorobenzene v- Acetic acid, hydrochloric acid vi- Succinic anhydride, pyridine 33 ADVANCES IN SYNTHETIC ORGANIC CHEMISTRY 34 Experimental 1.

The solvent was evaporated in vacuo and the product isolated in 98% yield. 1 H-NMR, IR, and elemental analysis data supplied. 6. 02 mmol) dissolved in 10 ml dry pyridine and the mixture stirred overnight. Thereafter, the reaction mixture was poured into 100 ml 2 M HCl and centrifuged. 1 M aqueous NaOH. The solution was recentrifuged and the product isolated in 93% yield by acidifying the supernatant with concentrate with HCl acid. 1 H-NMR, IR, and elemental analysis data supplied. ACIDS AND DERIVATIVES 35 Notes 1.

The mixture was cooled to ambient temperature, washed 3 times with 40 ml of water, the organic layer concentrated by vacuum distillation, and the product isolated as a yellow oil in 95% yield. 2. 438 mol) added to the reaction pot over 3 hours. Both excess thionyl chloride and the reaction solvent were removed by vacuum distillation at 100 C at 5 mm Hg. 2% yield. ACIDS AND DERIVATIVES 23 Notes 1. The author also prepared the product from Step 1 in 91% crude yield using di(hydrogenated tallow) formamide as the catalyst.

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