专利号:US-2017218006-A1 优先权日:2014-07-31 标题 :Synthesis of Phosphoramidates 发明人:WILHELM THORSTEN; SPITZENSTÄTTER HANS-PETER; SCHÖNE OLGA; RICHTER FRANK; SCHREINER ERWIN 权利人:SANDOZ AG 摘要:A process for the preparation of a compound of formula (I) including all isomers, stereoisomers, enantiomers and diastereomers thereof (I), and salts thereof; the process comprising providing a mixture comprising a compound of formula (II) and a compound of formula (III) subjecting the mixture provided in a) to reaction conditions in the presence of one or more Lewis acids to the mixture provided in a), obtaining a mixture comprising the compound of formula (I).
专利号:US-10100075-B2 优先权日:2013-12-23 标 题:Process for the preparation of sofosbuvir 发明人:KAUSHIK VIPIN KUMAR; RAVI VIJAYA KRISHNA; VAKITI SRINIVAS; TIRUMALARAJU BHAVANISANKAR 权利人:MYLAN LABORATORIES LTD; MYLAN LABORATORIES LTD 摘要:The present disclosure relates to processes for the preparation of sofosbuvir or of its pharmaceutically acceptable salts. The present disclosure also provides intermediates useful in the synthesis of sofosbuvir.
专利号:US-10344009-B2 优先权日:2015-11-03 标题 :Process for the preparation of sofosbuvir 发明人:JAYACHANDRA SURESHBABU; KAUSHIK VIPIN KUMAR; RAVI VIJAYA KRISHNA; DEV VIKAS CHANDRA; KOTTOLLA SAIPRASAD; RAO POTLA VENKATA SRINIVASA; VAKITI SRINIVAS; MUGGU CHAITANYA; DANDALA SUBRAMANYAM 权利人:MYLAN LABORATORIES LTD 摘要:A process for the preparation of intermediates 9, useful in the synthesis of sofosbuvir, as well as intermediates of formula [12] are disclosed herein.
专利号:EP-3174892-A1 优先权日:2014-07-31 标 题:Synthesis of phosphoramidates
专利号:US-2014309413-A1 优先权日:2013-03-11 标题 :Methods of stereoselective synthesis of substituted nucleoside analogs 发明人:ROSE PETER JAMISON; JUNG YOUNG CHUN; BLIGH CAVAN MCKEON; IBRAHIM SHEREEN; ANZALONE LUIGI; MILLER JR DAVID B; VAN ALSTEN JOHN GREGG; CURRAN TIMOTHY THOMAS 权利人:VERTEX PHARMA 摘要:The present invention relates to the novel diastereoselective syntheses for generating phosphorothioate compounds. Examples include nucleoside phosphorothioate analogs that are useful in treating diseases and/or conditions such as viral infections.
专利号:US-2011245484-A1 优先权日:2010-03-31 标 题 :Stereoselective synthesis of phosphorus containing actives