专利号:US-2023174567-A1 优先权日:2020-05-22 标题:Synthesis of fluorinated nucleotides 发明人:ARMIGER TRAVIS; BELYK KEVIN M; BENKOVICS TAMAS; CHUNG CHEOL K; JI CHEN YINING; JOHNSON HEATHER CLAIRE; KLAPARS ARTIS; LIU ZHIJIAN; LIU ZHUQING; MOORE JEFFREY C; NEEL ANDREW J; PENG FENG; RUMMELT STEPHAN M; SALEHI MARZUARANI NASTARAN; SHERRY BENJAMIN D; SONG ZHIGUO JAKE; TURNBULL BEN WILLIAM HULME; WANG LU; XU FENG 权利人:MERCK SHARP & DOHME LLC 摘要:The present invention relates to efficient processes useful in the preparation of fluorinated nucleosides, such as (2S,3R,4S,5R)-5-(2-amino-6-oxo-1,6-dihydro-9H-purin-9-yl)-3-fluoro-4-hydroxy-2-(mercaptomethyl)tetrahydrofuran-3-yl dihydrogen phosphate, also known as 3′-fluoro-thio-guanosine monophosphate or 3′-F-thio-GMP. Such fluorinated nucleosides may be useful as a biologically active compound and or as an intermediate for the synthesis of more complex biologically active compounds. The present invention also encompasses intermediates useful in the disclosed synthetic processes and the methods of their preparation. (I)
专利号:US-6627431-B1 优先权日:2000-05-12 标 题 :Chemoenzymatic synthesis of neotame 发明人:PRAKASH INDRA; ZHAO ROBERT Y 权利人:NUTRASWEET CO 摘要:A chemoenzymatic method is disclosed for preparing N-[N-(3,3-dimethylbutyl)-L-α-aspartyl]-L-phenylalanine 1-methyl ester via the enzymatic regioselective hydrolysis of neotame esters using lipases or esterases.
专利号:US-8288561-B2 优先权日:2007-05-07 标 题:Process for preparing valsartan 发明人:KANKAN RAJENDRA NARAYANRAO; RAO DHARMARAJ RAMACHANDRA; PATHI SRINIVAS LAXMINARAYAN; PUPPALA RAVIKUMAR 权利人:KANKAN RAJENDRA NARAYANRAO; RAO DHARMARAJ RAMACHANDRA; PATHI SRINIVAS LAXMINARAYAN; PUPPALA RAVIKUMAR; CIPLA LTD 摘要:An N-[(2′-(1-triphenyl methyl tetrazole-5-yl)biphenyl]-4-yl]methyl]-L-valine benzyl ester organic salt of formula (IVA) wherein A represents an organic carboxylic acid, a process for its preparation and its use in the synthesis of valsartan or salts thereof.
专利号:CN-112195203-B 优先权日:2020-11-10 标题 :A kind of method for enzymatic synthesis of (S)-2-aminobutanamide
专利号:CN-104341450-B 优先权日:2013-08-09 标题 :A kind of synthesis of phosphocreatine derivative and pharmaceutical applications
专利号:WO-2021236859-A1 优先权日:2020-05-22 标题 :Synthesis of fluorinated nucleotides