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Last Updated: January 30, 2023

Details for Patent: 6,043,230

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Summary for Patent: 6,043,230
Title: Antiviral phosphonomethoxy nucleotide analogs having increased oral bioavailability
Abstract:Novel compounds are provided that comprise esters of antiviral phosphonomethoxy nucleotide analogs with carbonates and/or carbamates having the structure -OC(R.sup.2).sub.2 OC(O) X(R).sub.a, wherein R.sup.2 independently is H, C.sub.1 -C.sub.12 alkyl, aryl, alkenyl, alkynyl, alkyenylaryl, alkynylaryl, alkaryl, arylalkynyl, arylalkenyl or arylalkyl which is unsubstituted or is substituted with halo, azido, nitro or OR.sup.3 in which R.sup.3 is C.sub.1 -C12 alkyl; X is N or O; R is independently H, C.sub.1 -C.sub.12 alkyl, aryl, alkenyl, alkynyl, alkyenylaryl, alkynylaryl, alkaryl, arylalkynyl, arylalkenyl or arylalkyl which is unsubstituted or is substituted with halo, axido, nitro, --O--, --N.dbd., --NR.sup.4 --, --N(R.sup.4).sub.2 -- or OR.sup.3, R.sup.4 independently is --H or C.sub.1 -C.sub.8 alkyl, provided that at least one R is not H; and a is 1 or 2, with the proviso that when a is 2 and X is N, (a) two R groups can be taken together to form a carbocycle or oxygen-containing heterocycle, or (b) one R additionally can be OR.sup.3. The compounds are useful as intermediates for the preparation of antiviral compounds or oligonucleotides, or are useful for administration directly to patients for antiviral therapy or prophylaxis. Embodiments are particularly useful when administered orally.
Inventor(s): Arimilli; Murty N. (Fremont, CA), Cundy; Kenneth C. (Belmont, CA), Dougherty; Joseph P. (New York, NY), Kim; Choung U. (San Carlos, CA), Oliyai; Reza (San Ramon, CA), Stella; Valentino J. (Lawrence, KS)
Assignee: Gilead Sciences, Inc. (Foster City, CA)
Application Number:09/314,606
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 6,043,230
Patent Claim Types:
see list of patent claims

Drugs Protected by US Patent 6,043,230

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 6,043,230

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 240339 See Plans and Pricing
Australia 3897097 See Plans and Pricing
Australia 713374 See Plans and Pricing
Canada 2261619 See Plans and Pricing
China 100384859 See Plans and Pricing
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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