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JPS5210231A - Preparation of isomorphic crystals of 2,4-bis(2'-acetoxy benzamido) be nzoic acid - Google Patents

Preparation of isomorphic crystals of 2,4-bis(2'-acetoxy benzamido) be nzoic acid

Info

Publication number
JPS5210231A
JPS5210231A JP8533275A JP8533275A JPS5210231A JP S5210231 A JPS5210231 A JP S5210231A JP 8533275 A JP8533275 A JP 8533275A JP 8533275 A JP8533275 A JP 8533275A JP S5210231 A JPS5210231 A JP S5210231A
Authority
JP
Japan
Prior art keywords
bis
benzamido
acetoxy
preparation
crystals
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP8533275A
Other languages
Japanese (ja)
Other versions
JPS5811856B2 (en
Inventor
Toshichika Ogasawara
Akira Namiuchi
Takashi Mori
Sakae Takaku
Nobuhiro Oi
Yoshikazu Hinohara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chugai Pharmaceutical Co Ltd
Original Assignee
Chugai Pharmaceutical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chugai Pharmaceutical Co Ltd filed Critical Chugai Pharmaceutical Co Ltd
Priority to JP8533275A priority Critical patent/JPS5811856B2/en
Publication of JPS5210231A publication Critical patent/JPS5210231A/en
Publication of JPS5811856B2 publication Critical patent/JPS5811856B2/en
Expired legal-status Critical Current

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PURPOSE: 2,4-Bis(2'-acetoxybenzamido) benzoic acid (α-type) is recrystallized from a solvent of formula R-CN to give an isomorphic crystals (β-type) of said acid that are more crystals (β-type) of said acid that are more readily absorbed in living bodies.
COPYRIGHT: (C)1977,JPO&Japio
JP8533275A 1975-07-14 1975-07-14 2 4-bis (2'-acetoxybenzamide) Expired JPS5811856B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8533275A JPS5811856B2 (en) 1975-07-14 1975-07-14 2 4-bis (2'-acetoxybenzamide)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8533275A JPS5811856B2 (en) 1975-07-14 1975-07-14 2 4-bis (2'-acetoxybenzamide)

Publications (2)

Publication Number Publication Date
JPS5210231A true JPS5210231A (en) 1977-01-26
JPS5811856B2 JPS5811856B2 (en) 1983-03-04

Family

ID=13855669

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8533275A Expired JPS5811856B2 (en) 1975-07-14 1975-07-14 2 4-bis (2'-acetoxybenzamide)

Country Status (1)

Country Link
JP (1) JPS5811856B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4876189A (en) * 1972-01-17 1973-10-13
JP2005520803A (en) * 2002-01-09 2005-07-14 エミスフェアー・テクノロジーズ・インク Polymorph of sodium 4-[(4-chloro-2-hydroxybenzoyl) amino] butanoate

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03104947U (en) * 1990-02-16 1991-10-30

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4876189A (en) * 1972-01-17 1973-10-13
JPS5634403B2 (en) * 1972-01-17 1981-08-10
JP2005520803A (en) * 2002-01-09 2005-07-14 エミスフェアー・テクノロジーズ・インク Polymorph of sodium 4-[(4-chloro-2-hydroxybenzoyl) amino] butanoate
US7893297B2 (en) 2002-01-09 2011-02-22 Emisphere Technologies, Inc. Amorphous sodium 4-[4-chloro-2-hydroxybenzoyl)amino]butanoate

Also Published As

Publication number Publication date
JPS5811856B2 (en) 1983-03-04

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