EP 4352065 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 2021099885 W 20210611
Abstract (en)
[origin: WO2022257152A1] Provided is an improved process for producing a biotin intermediate compound (I) with low cost and high yield and/or selectivity, 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; R3 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)
Citation (search report)
See references of WO 2022257152A1
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 2022257152 A1 20221215; CN 117440956 A 20240123; EP 4352065 A1 20240417
DOCDB simple family (application)
CN 2021099885 W 20210611; CN 202180099065 A 20210611; EP 21944658 A 20210611