【発明の名称】不飽和エ―テルの製造方法

Title:

【発明の名称】不飽和エ―テルの製造方法

Document Type and Number:

Japanese Patent JP2505670

Kind Code:

B2

Abstract:

Prodn. of ethers of formula R1-CR2=CH-OR3 (I) comprises reacting, at elevated temp., an acetal R1-CHR2-CH(OR3)2 (II) in presence of a catalyst consisting of an acid (III) and an amine (IV). R1 = 1-6C residue; R2 = H or 1-2C residue; R3 = 1-6C residue. - More specifically, (III) is 0.00015-0.008 (0.00025-0.0015) mole per mole (II) and the acid:amine mole ratio 1:0.7-3.5 (1:1-2). The reaction is at above the b.pt. of the reaction prods., esp. not over 200 (160) deg.C..

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Inventors:

YURUGEN UEEBERU
PEETAA RATSUPE
HERUMUUTO SHUPURINGERU

Application Number:

JP32340891A

Publication Date:

June 12, 1996

Filing Date:

December 06, 1991

Export Citation:

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Assignee:

HOECHST AG

International Classes:

B01J31/02; C07B61/00; C07C41/28; C07C43/15; (IPC1-7): C07C43/15; C07C41/28

Domestic Patent References:

JPH0399034A

Attorney, Agent or Firm:

Mitsufumi Ezaki (3 others)

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