ES250969A1 - Un procedimiento para preparar derivados de acido benzoico - Google Patents

Un procedimiento para preparar derivados de acido benzoico

Info

Publication number
ES250969A1
ES250969A1 ES0250969A ES250969A ES250969A1 ES 250969 A1 ES250969 A1 ES 250969A1 ES 0250969 A ES0250969 A ES 0250969A ES 250969 A ES250969 A ES 250969A ES 250969 A1 ES250969 A1 ES 250969A1
Authority
ES
Spain
Prior art keywords
amino
triiodo
acid compounds
ureidobenzoic
ureidobenzoic acid
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
ES0250969A
Other languages
English (en)
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.)
Mallinckrodt Chemical Works
Original Assignee
Mallinckrodt Chemical Works
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 Mallinckrodt Chemical Works filed Critical Mallinckrodt Chemical Works
Publication of ES250969A1 publication Critical patent/ES250969A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C275/00—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C275/44—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of urea groups doubly-bound to carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C275/00—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C275/28—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of urea groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
    • C07C275/42—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of urea groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton being further substituted by carboxyl groups

Abstract

Procedimiento para preparar ácido 3-nitro-5-ureidobenzoico haciendo reaccionar ácido 3-amino-5-nitrobenzoico con ácido ciánico.
ES0250969A 1958-07-23 1959-07-22 Un procedimiento para preparar derivados de acido benzoico Expired ES250969A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US750306A US3004964A (en) 1958-07-23 1958-07-23 3-amino-2, 4, 6-triiodo-5-ureidobenzoic acid compounds

Publications (1)

Publication Number Publication Date
ES250969A1 true ES250969A1 (es) 1960-03-01

Family

ID=25017314

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0250969A Expired ES250969A1 (es) 1958-07-23 1959-07-22 Un procedimiento para preparar derivados de acido benzoico

Country Status (3)

Country Link
US (1) US3004964A (es)
ES (1) ES250969A1 (es)
FR (1) FR228M (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3210412A (en) * 1962-02-06 1965-10-05 Mallinckrodt Chemical Works m-(alkanamidoalkanamido)-2, 4, 6-triiodobenzoic acid compounds
US3984571A (en) * 1970-03-10 1976-10-05 E. R. Squibb & Sons, Inc. Hydrocolloid containing liquid carrier for a diagnostic or therapeutic agent

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2611786A (en) * 1950-05-31 1952-09-23 Mallinckrodt Chemical Works 3-carboxylic acylamino-2, 4, 6-triiodo benzoic acids and the ethyl ester and nontoxic salts
US2776241A (en) * 1952-08-06 1957-01-01 Schering Ag Injectable x-ray contrast agents comprising salts of n-acyl derivatives of 2, 4, 6-triiodo-3-aminobenzoic acid
US2820814A (en) * 1955-03-21 1958-01-21 Schering Corp Polyiodinated 5-aminoisophthalic acids, salts, and esters
US2826611A (en) * 1956-02-02 1958-03-11 Dow Chemical Co Process for making ar-dinitro-phenylureas

Also Published As

Publication number Publication date
FR228M (fr) 1961-02-27
US3004964A (en) 1961-10-17

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