[EN] PROCESS FOR THE REGIOSELECTIVE SYNTHESIS OF PYRAZOLES<br/>[FR] PROCÉDÉ DE SYNTHÈSE RÉGIOSÉLECTIVE DES PYRAZOLES
申请人:ISAGRO SPA
公开号:WO2015097658A1
公开(公告)日:2015-07-02
A process is described for the synthesis of pyrazoles having general formula (I) which comprises the steps of mixing a compound having general formula (II) and a 1,2-disubstituted hydrazine having general formula (III) to form a reaction intermediate having general formula (IV) and the reaction mixture obtained in step i), in an acid environment, cyclizes to form a pyrazole having general formula (I), according to reaction scheme 1 Scheme 1.
Reaction of hydrazones derived from active methylene compounds with Vilsmeier–Haack reagent
作者:Sergey P. Ivonin、Bohdan B. Kurpil’、Oleksandr O. Grygorenko、Dmitry M. Volochnyuk
DOI:10.1007/s00706-014-1293-7
日期:2014.12
ester, nitrile, triphenylphosphonium, and phthalimide moieties were evaluated. It was found that electron-withdrawing and steric effects provided by the substituent at α position strongly influenced the regioselectivity of the reaction. Increasing mesomeric electron-withdrawing effect of this group favors the formation of functionalized 1,3,4-trisubstituted pyrazoles as compared to 1,3-disubstituted
ETHEREAL OXYGEN ATOM-CONTAINING PERFLUOROALKYL GROUP-SUBSTITUTED PYRAZOLE RING COMPOUND AND METHOD FOR ITS PRODUCTION
申请人:ASAHI GLASS COMPANY, LIMITED
公开号:US20160295864A1
公开(公告)日:2016-10-13
To provide a pyrazole derivative having a superior fluorinated substituent, which is useful for pharmaceutical products or agricultural chemicals having pharmacological activities, and a method for its production. A compound represented by the following formula (A), wherein R
f
is a C
2-19
perfluoroalkyl group having ethereal oxygen atom(s) inserted between carbon-carbon atoms of the group, and the total number of carbon atoms and oxygen atoms in R
f
being from 3 to 20, one of Q
1
and Q
2
is a hydrogen atom, and the other is a phenyl group, or a phenyl group in which at least one hydrogen atom in the phenyl group is each independently substituted by a halogen atom, and one of A
1
and A
2
is a nitrogen atom, and the other is a nitrogen atom to which R
1
is bonded.
Inhibitors of factor Xa with a neutral P1 specificity group
申请人:——
公开号:US20030092740A1
公开(公告)日:2003-05-15
The present application describes inhibitors of factor Xa with a neutral P1 specificity group of formula I:
1
or pharmaceutically acceptable salt forms thereof, wherein R and E may be groups such as methoxy and halo.
PYRROLIDINYL UREA, PYRROLIDINYL THIOUREA AND PYRROLIDINYL GUANIDINE COMPOUNDS AS TRKA KINASE INHIBITORS
申请人:Allen Shelley
公开号:US20150166564A1
公开(公告)日:2015-06-18
Compounds of Formula I: or stereoisomers, tautomers, or pharmaceutically acceptable salts, or solvates or prodrugs thereof, where R
1
, R
2
, R
a
, R
b
, R
c
, R
d
, X, Y, B, and Ring C are as defined herein, and wherein the Y—B moiety and the NH—C(═X)—NH moiety are in the trans configuration, are inhibitors of TrkA kinase and are useful in the treatment of diseases which can be treated with a TrkA kinase inhibitor such as pain, cancer, inflammation, neurodegenerative diseases and certain infectious diseases.