Global Patent Index - EP 1957440 A1

EP 1957440 A1 20080820 - PROCESS FOR PREPARING 3-AMINO-3-METHYL-1-BUTANOL

Title (en)

PROCESS FOR PREPARING 3-AMINO-3-METHYL-1-BUTANOL

Title (de)

VERFAHREN ZUR HERSTELLUNG VON 3-AMINO-3-METHYL-1-BUTANOL

Title (fr)

PROCEDE DE FABRICATION DE 3-AMINO-3-METHYL-1-BUTANOL

Publication

EP 1957440 A1 20080820 (DE)

Application

EP 06819495 A 20061115

Priority

  • EP 2006068484 W 20061115
  • DE 102005056594 A 20051125

Abstract (en)

[origin: DE102005056594A1] Preparation of 3-amino-3-methyl-1-butanol (I) comprises reacting 3-methylbut-3-en-1-ol or 3-methylbut-2-en-1-ol with a nitrile compound (a) in the presence of an acid condensation agent; reacting the obtained product with an aqueous potassium hydroxide solution and extracting the product using a suitable solvent. Preparation of 3-amino-3-methyl-1-butanol (I) comprises reacting 3-methylbut-3-en-1-ol or 3-methylbut-2-en-1-ol with a nitrile compound of formula R1>-CN (a) in the presence of an acid condensation agent; reacting the obtained product with an aqueous potassium hydroxide solution and extracting the product using a suitable solvent. R1>H, 1-6C alkyl, 2-6C alkenyl or phenyl containing one or more residues, which are inert under reaction conditions, preferably methyl.

IPC 8 full level

C07C 213/02 (2006.01); C07C 215/08 (2006.01)

CPC (source: EP)

C07C 213/02 (2013.01)

C-Set (source: EP)

C07C 213/02 + C07C 215/08

Citation (search report)

See references of WO 2007060122A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

DE 102005056594 A1 20070531; EP 1957440 A1 20080820; WO 2007060122 A1 20070531

DOCDB simple family (application)

DE 102005056594 A 20051125; EP 06819495 A 20061115; EP 2006068484 W 20061115