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1. EP1051417 - PROCESS FOR THE PREPARATION OF 8-AZABICYCLO(3.2.1)OCTANE DERIVATIVES

Office
European Patent Office
Application Number 98958347
Application Date 07.12.1998
Publication Number 1051417
Publication Date 15.11.2000
Publication Kind B1
IPC
C07D 451/02
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
451Heterocyclic compounds containing 8-azabicyclo octane, 9-azabicyclo nonane, or 3-oxa-9-azatricyclo nonane ring systems, e.g. tropane or granatane alkaloids, scopolamine; Cyclic acetals thereof
02containing not further condensed 8-azabicyclo octane or 3-oxa-9-azatricyclo nonane ring systems, e.g. tropane; Cyclic acetals thereof
CPC
C07D 451/02
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
451Heterocyclic compounds containing 8-azabicyclo [3.2.1] octane, 9-azabicyclo [3.3.1] nonane, or 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring systems, e.g. tropane or granatane alkaloids, scopolamine; Cyclic acetals thereof
02containing not further condensed 8-azabicyclo [3.2.1] octane or 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring systems, e.g. tropane; Cyclic acetals thereof
Applicants SYNGENTA LTD
Inventors BROWN STEPHEN MARTIN
BOWDEN MARTIN CHARLES
PERRIOR TREVOR ROBERT
SMITH DOUGLAS JOHN
Designated States
Priority Data 9726251 11.12.1997 GB
9803633 07.12.1998 GB
9809291 30.04.1998 GB
Title
(DE) VERFAHREN ZUR HERSTELLUNG VON 8-AZABICYCLO[3.2.1]OCTAN-DERIVATE
(EN) PROCESS FOR THE PREPARATION OF 8-AZABICYCLO(3.2.1)OCTANE DERIVATIVES
(FR) PROCEDE DE PREPARATION DES DERIVES DE 8-AZABICYCLO(3.2.1) OCTANE
Abstract
(EN) A process for preparing a compound of formula (IV), wherein R1 is C1-4alkyl, CH2(C1-3haloalkyl), benzyl, CH2(C2-5alkenyl or CH2(C2-5alkynyl), which comprises reducing a compound of formula (III). Compounds of formula (IV) are agrochemical intermediates.
(FR) La présente invention concerne un procédé de préparation d'un composé représenté par la formule (IV), dans laquelle R1 représente C1-4 alkyle, CH2(C1-3 haloalkyle), benzyle, CH2(C2-5 alcényle) ou CH2(C2-5 alkynyl), consistant à réduire un composé de la formule (III), les composés de la formule (IV) étant des produits intermédiaires agrochimiques.