US2944079A - Nn-di-chloroethylaminobutyrates and preparation thereof - Google Patents

Nn-di-chloroethylaminobutyrates and preparation thereof Download PDF

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Publication number
US2944079A
US2944079A US391134A US39113453A US2944079A US 2944079 A US2944079 A US 2944079A US 391134 A US391134 A US 391134A US 39113453 A US39113453 A US 39113453A US 2944079 A US2944079 A US 2944079A
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US
United States
Prior art keywords
parts
aminophenylbutyrate
acid
chloroethyl
growth
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 - Lifetime
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US391134A
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English (en)
Inventor
Ross Walter Charles Joseph
Everett James Lionel
Roberts John James
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.)
National Research Development Corp UK
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Nat Res Dev
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/185Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
    • A61K31/19Carboxylic acids, e.g. valproic acid
    • A61K31/195Carboxylic acids, e.g. valproic acid having an amino group

Definitions

  • This invention relates to chemotherapeutic agents and has as an object to provide improved compounds having tumour growth inhibitory action.
  • Bis-chloroethylamines of the general formula RN( CH CH CI) 2 (I) are well known as cytotoxic agents which are capable of arresting the growth of transplanted animal tumours (see Haddow, Brit. Med. Bull. (1947), 4, 422.
  • chemotherapeutic agents are well known as cytotoxic agents which are capable of arresting the growth of transplanted animal tumours (see Haddow, Brit. Med. Bull. (1947), 4, 422.
  • One disadvantage of the compounds so far examined which limits their use as chemotherapeutic agents is the non-specificity of their action. They are toxic to all types of rapidly proliferating tissue, e.g. bone marrow, gonadal tissue and gastric mucosa, as well as towards neoplastic tissue.
  • R is hydrogen or an alkyl group, preferably one containing not more than eight carbon atoms.
  • the preferred compound is p-NN-di-(Z-chloroethyl)-aminophenylbutyric acid of the formula:
  • the growth-inhibitory effect is not accompanied by serious depression of the bone-marrow such as may be induced by alky1'bis-2- chloroethylamines and many other aryl bis-2-chloroethylamines, so far tested;
  • the present invention also includes a process for the manufacture of compounds of the general Formula 111 above wherein an alkyl NN-di-(Z-hydroxyethyl)-aminophenylbutyrate is treated with phosphorus oxychloride to form an alkyl NN-di-(Z-chloroethyl)-aminophenylbutyrate which is, if desired, converted by hydrolysis in an acid medium into a NN-di-(2-chloroethyl-aminophenylbutyric acid.
  • the process of the example may be modified by treating the methyl-p-aminophenylbutyrate with ethylene oxide (25 parts) in N acetic acid (50 parts) at room temperature for 4 hours.

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
US391134A 1952-11-20 1953-11-09 Nn-di-chloroethylaminobutyrates and preparation thereof Expired - Lifetime US2944079A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB322814X 1952-11-20

Publications (1)

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US2944079A true US2944079A (en) 1960-07-05

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ID=10336169

Family Applications (1)

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US391134A Expired - Lifetime US2944079A (en) 1952-11-20 1953-11-09 Nn-di-chloroethylaminobutyrates and preparation thereof

Country Status (5)

Country Link
US (1) US2944079A (de)
CH (1) CH322814A (de)
DE (1) DE939507C (de)
FR (1) FR1093021A (de)
GB (1) GB727336A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3335176A (en) * 1962-04-13 1967-08-08 Allied Chem Aminomethyl carboxy dibenzyl amines and preparation thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4835182A (en) * 1987-08-21 1989-05-30 The United States Of America As Represented By The Department Of Health And Human Services Enhancing drug delivery to the brain

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB128912A (en) * 1918-06-26 1919-10-30 Ste Chim Usines Rhone Manufacture of New Substituted Benzoic Acid Esters.
GB653452A (en) * 1947-04-12 1951-05-16 Goodrich Co B F Improvements in or relating to a method of preparing an (n,n-diaryl) amino acid ester

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB128912A (en) * 1918-06-26 1919-10-30 Ste Chim Usines Rhone Manufacture of New Substituted Benzoic Acid Esters.
GB653452A (en) * 1947-04-12 1951-05-16 Goodrich Co B F Improvements in or relating to a method of preparing an (n,n-diaryl) amino acid ester

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3335176A (en) * 1962-04-13 1967-08-08 Allied Chem Aminomethyl carboxy dibenzyl amines and preparation thereof

Also Published As

Publication number Publication date
GB727336A (en) 1955-03-30
FR1093021A (fr) 1955-04-29
DE939507C (de) 1956-02-23
CH322814A (de) 1957-06-30

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