Title:
3-メチル-ピリジンの合成方法
Document Type and Number:
Japanese Patent JP2012530738
Kind Code:
A
Abstract:
Synthesizing 3-methylpyridine, comprises reacting formaldehyde, paracetaldehyde, ammonia and acetic acid, where the method comprises the following parameters: (a) a reaction temperature of 260-300[deg] C; (b) a molar ratio of formaldehyde and paracetaldehyde of 0.7-1.4 mole/mole; (c) an ammonia concentration of 10-20 wt.%; (d) an acetic acid concentration of 4-20 wt.%; (e) a paracetaldehyde concentration of 0.4-1.6 mole/kg; (f) a soak time of 10-30 minutes under continuous reaction and 10-90 minutes in case of discontinuous reaction; and (g) a reaction pressure of 30-130 bar.
Inventors:
Lederer, Detlef
Zollinger, Danil
De Riet Mattin, Jean-Eve
Zollinger, Danil
De Riet Mattin, Jean-Eve
Application Number:
JP2012516569A
Publication Date:
December 06, 2012
Filing Date:
June 23, 2010
Export Citation:
Assignee:
LONZA LIMITED
International Classes:
C07D213/10; C07D213/16; C07B61/00
Domestic Patent References:
| JPS5718665A | 1982-01-30 |
Foreign References:
| FR2161128A5 | 1973-07-06 | |||
| US2700042A | 1955-01-18 | |||
| EP0075727A2 | 1983-04-06 |
Other References:
JPN6014028631; Ｈｅｌｖｅｔｉｃａ Ｃｈｉｍｉｃａ Ａｃｔａ ６７（８）, 1984, ｐｐ．２１００-２１１０
Attorney, Agent or Firm:
Kurata Masatoshi
Satoshi Kono
Makoto Nakamura
Yoshihiro Fukuhara
Takashi Mine
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Katsu Sunagawa
Satoshi Kono
Makoto Nakamura
Yoshihiro Fukuhara
Takashi Mine
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Katsu Sunagawa