Title:
ε-CAPROLACTAM PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2018/051869
Kind Code:
A1
Abstract:
This ε-caprolactam production method involves a step in which cyclohexanone oxime is subjected to a Beckmann rearrangement reaction in gas phase in the presence of a zeolite catalyst containing the element silicon and at least one element selected from a group consisting of alkaline earth metal elements and the element magnesium, wherein the concentration of the aforementioned elements in the zeolite catalyst is 3 to 10000 ppm.
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Inventors:
YOSHIMURA KAZUAKI (JP)
WATANABE NOBUFUMI (JP)
SEKI KOHEI (JP)
TERAMORI MASASHI (JP)
TANAKA KEISUKE (JP)
WATANABE NOBUFUMI (JP)
SEKI KOHEI (JP)
TERAMORI MASASHI (JP)
TANAKA KEISUKE (JP)
Application Number:
PCT/JP2017/032205
Publication Date:
March 22, 2018
Filing Date:
September 07, 2017
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
C07D201/04; C01B39/36; C07D211/76
Foreign References:
| JP2007533580A | 2007-11-22 | |||
| JP2013147356A | 2013-08-01 | |||
| JP2013112577A | 2013-06-10 | |||
| JP2012158501A | 2012-08-23 | |||
| JP2006016220A | 2006-01-19 | |||
| JP2001213862A | 2001-08-07 | |||
| JP2001181260A | 2001-07-03 | |||
| JPH06256304A | 1994-09-13 | |||
| JP2009190930A | 2009-08-27 |
Other References:
TAKASHIRO MUROI ET AL.: "Shokubai kara Miru Kagaku Kogyo no Mirai-23 Caprolactam Shinpo [The Future of the Chemical Industry from the Viewpoint of Catalysts 23 Caprolactam New Law]", GEKKAN FINE CHEMICAL, vol. 40, no. 1, 15 December 2010 (2010-12-15), pages 65 - 68, XP009518238
Attorney, Agent or Firm:
NAKAYAMA, Tohru et al. (JP)
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