Title:
芳香族カルボン酸化合物の製造方法
Document Type and Number:
Japanese Patent JP4191875
Kind Code:
B2
Abstract:
Disclosed is a producing method for a compound of formula (II), which comprises reacting a compound of formula (I) with CO2, in the presence of sodium t-butoxide, in an aprotic polar solvent, thereby introducing a carboxyl group at the 2- or 4-position thereof: wherein R1 is a substituent, with a proviso that any one of R1's at o- or p-position to the hydroxyl group is a hydrogen atom; n is an integer of 0 to 4. There is also disclosed a producing method of a compound of formula (IV). This production method can produce phenols or naphthols having a carboxyl group introduced at the 2- or 4-position, under a relatively moderate condition and in the manner advantageous for industrial production.
Inventors:
Koji Takahisa
Takashi Ito
Takashi Ito
Application Number:
JP2000087557A
Publication Date:
December 03, 2008
Filing Date:
March 27, 2000
Export Citation:
Assignee:
FUJIFILM Corporation
International Classes:
B01J31/02; C07B61/00; C07C51/15; C07C51/41; C07C65/03; C07C65/11; C07C227/02; C07C229/70; C07C229/68
Domestic Patent References:
| JP1180863A | ||||
| JP46009453B1 | ||||
| JP62010043A | ||||
| JP5194314A | ||||
| JP2001163840A | ||||
| JP10231271A |
Attorney, Agent or Firm:
Toshizo Iida