Invention Grant
US08212028B2 Method for producing ε-caprolactam and method for producing pentasil type zeolite
失效
生产ε-己内酰胺的方法和生产pentasil型沸石的方法
- Patent Title: Method for producing ε-caprolactam and method for producing pentasil type zeolite
- Patent Title (中): 生产ε-己内酰胺的方法和生产pentasil型沸石的方法
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Application No.: US12543022Application Date: 2009-08-18
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Publication No.: US08212028B2Publication Date: 2012-07-03
- Inventor: Tatsuya Okubo , Yuki Suzuki , Tsuyoshi Matsushita , Tatsuya Suzuki
- Applicant: Tatsuya Okubo , Yuki Suzuki , Tsuyoshi Matsushita , Tatsuya Suzuki
- Applicant Address: JP Tokyo JP Tokyo
- Assignee: Sumitomo Chemical Company, Limited,The University of Tokyo
- Current Assignee: Sumitomo Chemical Company, Limited,The University of Tokyo
- Current Assignee Address: JP Tokyo JP Tokyo
- Agency: Panitch Schwarze Belisario & Nadel LLP
- Priority: JPP2008-211875 20080820
- Main IPC: C07D201/04
- IPC: C07D201/04

Abstract:
The present invention provides a method which can produce ε-caprolactam with a good selectivity by reacting cyclohexanone oxime with a good conversion in a vapor phase Beckmann rearrangement reaction. Disclosed is a method for producing ε-caprolactam, which comprises performing a vapor phase Beckmann rearrangement reaction of cyclohexanone oxime in the presence of a pentasil type zeolite, wherein the pentasil type zeolite is a zeolite obtained by subjecting a mixture containing a silicon compound, water, and a compound represented by formula (I): [(R1)3N+—(CH2)m—N+(R1)2—(CH2)m—N+(R1)3]·3/n(A) (I) wherein R1 represents an alkyl group having 1 to 4 carbon atoms, A represents an n-valent anion, m represents an integer of 5 to 7, and n represents an integer of 1 to 3, to a hydrothermal synthesis reaction.
Public/Granted literature
- US20100105893A1 METHOD FOR PRODUCING epsilon-CAPROLACTAM AND METHOD FOR PRODUCING PENTASIL TYPE ZEOLITE Public/Granted day:2010-04-29
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