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Process for preparation of 4-hexene-3-one from 4-hydroxy-3-hexanone (2)

4. Process for preparation of 4-hexene-3-one from 4-hydroxy-3-hexanone

By: Jin, Zhaosheng; Li, Yanan; Sun, Lanping

Assignee: China Petroleum & Chemical Corp., Peop. Rep. China; Shanghai Research Institute of Petrochemical Engineering, SINOPECPatent Information: Apr 10, 2013, CN 103030546, A

Application: Sep 29, 2011, CN 2011-10300321

Priority: Sep 29, 2011, CN 2011-10300321

Source: Faming Zhuanli Shenqing, 6pp., Patent, 2013, CODEN: CNXXEV

Accession Number: 2013:566117, CAN 158:575209, CAPLUS

Language: ChineseAbstract

The present invention pertains to a process for the prepn. of 4-hexene-3-one , which includes a catalytic dehydration of4-hydroxy-3-hexanone at 200-400 °C at liq. hourly space velocity of 0.5-15 h-1 in the presence of a catalyst. The catalystcomprises (by wt. parts): SiO2 1-99 as core and Al2O3 1-99 as surface coating. The method has advantages of highcatalyst activity, low reaction temp., and high space velocity.

Patent Information

Patent No.KindDateApplication No.Date

CN 103030546

Priority Application

CN 2011-10300321AApr 10, 2013CN 2011-10300321Sep 29, 2011Sep 29, 2011

IndexingAliphatic Compounds (Section 23-15)

Concepts

Dehydration reactionprepn. of 4-hexene-3-one from 4-hydroxy-3-hexanone

Substances

1344-28-1 Aluminum oxide, uses

as coating material for SiO2; prepn. of 4-hexene-3-one from 4-hydroxy-3-hexanone

Catalyst use; Uses

7631-86-9 Silica, uses

coated with Al2O3; prepn. of 4-hexene-3-one from 4-hydroxy-3-hexanoneCatalyst use; Uses

2497-21-4P

Process for preparation of 4-hexene-3-one from 4-hydroxy-3-hexanone (2)

4-Hexen-3-one

prepn. of 4-hexene-3-one from 4-hydroxy-3-hexanone

Industrial manufacture; Synthetic preparation; Preparation

4984-85-4

prepn. of 4-hexene-3-one from 4-hydroxy-3-hexanone

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