专利号:US-10710999-B2 优先权日:2016-10-07 标 题:Polymorph of an intermediate for palbociclib synthesis 发明人:GADAKAR MAHDESHKUMAR; PUNDE DNYANDEO; YADAV RAJENDRA; WAKCHAURE YOGESH 权利人:MYLAN LABORATORIES LTD 摘要:The present disclosure provides a novel polymorph of an intermediate useful in the preparation of palbociclib. The polymorph has enhanced properties that influence process ability of the intermediate and synthesis of palbociclib.
专利号:US-10807978-B2 优先权日:2016-07-04 标题:Process for preparation of palbociclib 发明人:MURUGAN ANDIAPPAN; KABRA VIPINKUMAR SHRIRAM; GADE CHINNA SAIDA REDDY; GONDU RAMA RAO; CHANDRASHEKAR SHRAVANKUMAR; PASUPATHY KRISHNAMOORTHY; KALAISELVAN ANANDAN 权利人:Dr Reddys Laboratories Ltd 摘要:The present application relates to a process for the preparation of crystalline form A of palbociclib having specific surface area more than 2 m 2 /g comprising one-pot process for the preparation of compound of formula (IV). The present application further relates to the preparation of acid-addition salts of palbociclib and their use for the synthesis of crystalline form A of palbociclib having specific surface area more than 2 m 2 /g.
专利号:US-7781583-B2 优先权日:2006-09-08 标题:Synthesis of 2-(pyridin-2-ylamino)-pyrido[2,3-d] pryimidin-7-ones 发明人:ERDMAN DAVID THOMAS; FLAMME CATHLIN MARIE; NELSON JADE DOUGLAS 权利人:PFIZER 摘要:The present invention provides methods of preparing substituted 2-(pyridin-2-ylamino)-pirido[2,3-d]pyrimidin-7-ones (formula 1), n nuseful in treating cell proliferative disorders, or a pharmaceutically acceptable salt thereof.
专利号:US-2008125588-A1 优先权日:2006-09-08 标 题:SYNTHESIS OF 2-(PYRIDIN-2-YLAMINO)-PYRIDO[2,3-d] PRYIMIDIN-7-ONES
专利号:JP-2008094834-A 优先权日:2006-09-08 标题 :Synthesis of 2- (pyridin-2-ylamino) -pyrido [2,3-d] pyrimidin-7-ones
专利号:EP-2069344-A2 优先权日:2006-09-08 标题:Synthesis of 2-(pyridin-2-ylamino)-pyrido[2,3-d]pyrimidin-7-ones