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Synlett 2020; 31(12): 1172-1176
DOI: 10.1055/s-0039-1690885
letter
© Georg Thieme Verlag Stuttgart · New York

Highly Regioselective Synthesis of 3,5-Substituted Pyrazoles from Bromovinyl Acetals and N-Tosylhydrazones

Anne Westermeyer
a   PSL University, Chimie ParisTech-CNRS, Institute of Chemistry for Life and Health Sciences, CSB2D Team, 11 rue Pierre et Marie Curie, 75005 Paris, France   eMail: phannarath.phansavath@chimie-paristech.fr   eMail: virginie.vidal@chimie-paristech.fr
b   SEQENS, 2-8 rue de Rouen, ZI de Limay-Porcheville, 78440 Porcheville, France
,
Quentin Llopis
a   PSL University, Chimie ParisTech-CNRS, Institute of Chemistry for Life and Health Sciences, CSB2D Team, 11 rue Pierre et Marie Curie, 75005 Paris, France   eMail: phannarath.phansavath@chimie-paristech.fr   eMail: virginie.vidal@chimie-paristech.fr
b   SEQENS, 2-8 rue de Rouen, ZI de Limay-Porcheville, 78440 Porcheville, France
,
Gérard Guillamot
b   SEQENS, 2-8 rue de Rouen, ZI de Limay-Porcheville, 78440 Porcheville, France
,
Phannarath Phansavath
a   PSL University, Chimie ParisTech-CNRS, Institute of Chemistry for Life and Health Sciences, CSB2D Team, 11 rue Pierre et Marie Curie, 75005 Paris, France   eMail: phannarath.phansavath@chimie-paristech.fr   eMail: virginie.vidal@chimie-paristech.fr
,
a   PSL University, Chimie ParisTech-CNRS, Institute of Chemistry for Life and Health Sciences, CSB2D Team, 11 rue Pierre et Marie Curie, 75005 Paris, France   eMail: phannarath.phansavath@chimie-paristech.fr   eMail: virginie.vidal@chimie-paristech.fr
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