Title:
【発明の名称】ブタンジオール混合物の製造
Document Type and Number:
Japanese Patent JP2593550
Kind Code:
B2
Abstract:
Process for preparing 2-alkyl-1,4-butanediols and mixtures with 1,4-butanediol which comprises bringing together, at an initial alkaline pH, and at a temperature and pressure suitable for reaction, a mixture of 4-hydroxybutyraldehyde and/or its cyclic acetal, 2-hydroxytetrahydrofuran, hydrogen, an unsubstituted aliphatic aldehyde, especially formaldehyde, and a hydrogenation catalyst. Also processes for preparing mixtures of tetrahydrofuran and 3-alkyltetrahydrofuran from the diol mixtures, and copolymers from the tetrahydrofuran mixtures.
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Inventors:
Richard Edward Ernest
Application Number:
JP11232589A
Publication Date:
March 26, 1997
Filing Date:
May 02, 1989
Export Citation:
Assignee:
E.I.DU PONT DE NEMOURS AND COMPANY
International Classes:
B01J25/02; C07B61/00; C07C27/00; C07C29/14; C07C29/141; C07C29/38; C07C31/20; C07D307/06; C07C45/49; C07C45/59; C07C47/263; C07C67/00; C07D307/08; (IPC1-7): C07C31/20; C07C29/141; C07D307/06; C07D307/08
Attorney, Agent or Firm:
Takehiko Suzue (3 outside)