EP 4352064 A1 20240417 - PROCESS FOR PRODUCING BIOTIN INTERMEDIATE
Title (en)
PROCESS FOR PRODUCING BIOTIN INTERMEDIATE
Title (de)
VERFAHREN ZUR HERSTELLUNG EINES BIOTINZWISCHENPRODUKTS
Title (fr)
PROCÉDÉ DE PRODUCTION D'UN INTERMÉDIAIRE DE BIOTINE
Publication
Application
Priority
CN 2021099884 W 20210611
Abstract (en)
[origin: WO2022257151A1] Provided an improved process for producing a biotin intermediate compound (I) with low cost and high yield, Wherein: R 1 and R 2 are each independently of one another H, lower alkyl, lower cycloalkyl, aryl, or lower aralkyl, optionally substituted by one or more substituents; R 3 is H, or a protective group which is suitable for a nitrogen atom; and X and Y are each independently of one another O or S.
IPC 8 full level
C07D 513/04 (2006.01)
CPC (source: EP)
C07D 495/04 (2013.01); C07D 513/04 (2013.01)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
WO 2022257151 A1 20221215; CN 117440957 A 20240123; EP 4352064 A1 20240417
DOCDB simple family (application)
CN 2021099884 W 20210611; CN 202180099069 A 20210611; EP 21944657 A 20210611