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GB1127929A - Phenylpyrrole carboxylic acid derivatives and process for the preparation thereof - Google Patents

Phenylpyrrole carboxylic acid derivatives and process for the preparation thereof

Info

Publication number
GB1127929A
GB1127929A GB4162565A GB4162565A GB1127929A GB 1127929 A GB1127929 A GB 1127929A GB 4162565 A GB4162565 A GB 4162565A GB 4162565 A GB4162565 A GB 4162565A GB 1127929 A GB1127929 A GB 1127929A
Authority
GB
United Kingdom
Prior art keywords
esterified
halogen
carboxylic acid
water
phenylpyrrole
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.)
Expired
Application number
GB4162565A
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.)
Fujisawa Pharmaceutical Co Ltd
Original Assignee
Fujisawa 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 Fujisawa Pharmaceutical Co Ltd filed Critical Fujisawa Pharmaceutical Co Ltd
Publication of GB1127929A publication Critical patent/GB1127929A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D207/00Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D207/02Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D207/30Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members
    • C07D207/34Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyrrole Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)

Abstract

1,127,929. Pyrroles. FUJISAWA PHARMACEUTICAL CO. Ltd. 30 Sept., 1965 [24 Sept., 1964; 8 April, 1965], No. 41625/65. Heading C2C. Compounds of the formula (wherein X is H, halogen, NO 2 or C 1-6 alkoxy; Y is halogen, NO 2 or C 1-6 alkoxy; R<SP>3</SP> is H or halogen; R<SP>1</SP> and R<SP>2</SP> are H, CO 2 H or esterified CO 2 H; and one of R<SP>1</SP> and R<SP>2</SP> must be CO 2 H or esterified CO 2 H), which are novel when R<SP>2</SP> is not esterified CO 2 H, are prepared by solvolysis of corresponding pyrroles containing trihalomethyl and/or esterified carboxyl groups in the 2- and/or 5-positions. Solvolysis may be effected with water, an aliphatic carboxylic acid or an aliphatic or aromatic alcohol, and, when water or an alcohol is used, is preferably effected in the presence of a base, or, with water, an acid. Depending on the conditions, a trihalomethyl group may be converted to a free or esterified carboxyl group, and an esterified carboxyl group may be hydrolysed. The starting materials may also be mixed with corresponding dihalomethyl compounds, which are also hydrolysed if an oxidizing agent is also present.
GB4162565A 1964-12-24 1965-09-30 Phenylpyrrole carboxylic acid derivatives and process for the preparation thereof Expired GB1127929A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7313864 1964-12-24
JP2073365 1965-04-08

Publications (1)

Publication Number Publication Date
GB1127929A true GB1127929A (en) 1968-09-18

Family

ID=26357710

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4162565A Expired GB1127929A (en) 1964-12-24 1965-09-30 Phenylpyrrole carboxylic acid derivatives and process for the preparation thereof

Country Status (4)

Country Link
AT (1) AT266818B (en)
CH (1) CH469705A (en)
DE (1) DE1545861A1 (en)
GB (1) GB1127929A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1061072A1 (en) * 1999-06-17 2000-12-20 ISAGRO RICERCA S.r.l. Pyrrolic compounds with a high herbicidal activity and their agronomic use

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1061072A1 (en) * 1999-06-17 2000-12-20 ISAGRO RICERCA S.r.l. Pyrrolic compounds with a high herbicidal activity and their agronomic use
US6391827B1 (en) 1999-06-17 2002-05-21 Isagro Ricerca S.R.L. Pyrrolic compounds having a high herbicidal activity and their agronomic use

Also Published As

Publication number Publication date
CH469705A (en) 1969-03-15
AT266818B (en) 1968-12-10
DE1545861A1 (en) 1969-12-11

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