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1. WO2021106864 - PROCESS FOR THE PREPARATION OF PRODUCING PYRAZOLO[1,5-A] PYRIMIDINE DERIVATIVES

Publication Number WO/2021/106864
Publication Date 03.06.2021
International Application No. PCT/JP2020/043659
International Filing Date 24.11.2020
IPC
C07D 211/42 2006.1
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
211Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
04with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
06having no double bonds between ring members or between ring members and non-ring members
36with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
40Oxygen atoms
42attached in position 3 or 5
C07D 487/04 2006.1
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
487Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/-C07D477/183
02in which the condensed system contains two hetero rings
04Ortho-condensed systems
C07D 491/048 2006.1
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
491Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/-C07D459/290
02in which the condensed system contains two hetero rings
04Ortho-condensed systems
044with only one oxygen atom as ring hetero atom in the oxygen-containing ring
048the oxygen-containing ring being five-membered
CPC
C07D 211/42
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
211Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
04with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
06having no double bonds between ring members or between ring members and non-ring members
36with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
40Oxygen atoms
42attached in position 3 or 5
C07D 487/04
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
487Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by C07D451/00 - C07D477/00
02in which the condensed system contains two hetero rings
04Ortho-condensed systems
C07D 491/048
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
491Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
02in which the condensed system contains two hetero rings
04Ortho-condensed systems
044with only one oxygen atom as ring hetero atom in the oxygen-containing ring
048the oxygen-containing ring being five-membered
Applicants
  • EISAI R&D MANAGEMENT CO., LTD. [JP]/[JP]
Inventors
  • FANG, Francis G.
  • CHOI, Hyeong-Wook
  • ROUPANY, Andrew James Amin
  • RUSSELL, Michael Geoffrey Neil
  • SHAN, Mingde David
Agents
  • ASAMURA PATENT OFFICE, P.C.
Priority Data
62/939,77325.11.2019US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) PROCESS FOR THE PREPARATION OF PRODUCING PYRAZOLO[1,5-A] PYRIMIDINE DERIVATIVES
(FR) PROCÉDÉ DE PRÉPARATION DE DÉRIVÉS DE PYRAZOLO [1,5-A] PYRIMIDINE
Abstract
(EN) Processes and intermediates useful for producing pyrazolo[1,5-a] pyrimidine derivatives.
(FR) L'invention concerne des procédés et des intermédiaires utiles pour la production de dérivés de pyrazolo [1,5-a] pyrimidine.
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