GB817624A - Molecular compounds of purines and a method of production - Google Patents

Molecular compounds of purines and a method of production

Info

Publication number
GB817624A
GB817624A GB13106/57A GB1310657A GB817624A GB 817624 A GB817624 A GB 817624A GB 13106/57 A GB13106/57 A GB 13106/57A GB 1310657 A GB1310657 A GB 1310657A GB 817624 A GB817624 A GB 817624A
Authority
GB
United Kingdom
Prior art keywords
purines
production
complexes
preparation
molecular compounds
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
GB13106/57A
Inventor
Hugo Zellner
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.)
Donau-Pharmazie GmbH
Original Assignee
Donau-Pharmazie GmbH
Filing date
Publication date
Application filed by Donau-Pharmazie GmbH filed Critical Donau-Pharmazie GmbH
Publication of GB817624A publication Critical patent/GB817624A/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/495Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/505Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
    • A61K31/519Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
    • A61K31/52Purines, e.g. adenine
    • A61K31/522Purines, e.g. adenine having oxo groups directly attached to the heterocyclic ring, e.g. hypoxanthine, guanine, acyclovir
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D473/00Heterocyclic compounds containing purine ring systems
    • C07D473/02Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
    • C07D473/04Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
    • C07D473/06Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

The invention comprises 1 : 1-molecula compounds of purines with alkali-metal a -naphthylacetates, and their preparation by converting a -naphthylacetic acid into an alkali metal salt, preferably one readily soluble in water, and mixing this salt with a purine in an aqueous medium with the application of heat. Examples describe the preparation of complexes by adding (1) caffeine, and (2) theophylline to an aqueous solution of sodium a -naphthylacetate (prepared by adding sodium bicarbonate to an equivalent of a -naphthylacetic acid in water). The complexes are isolated by evaporation of the solvent.
GB13106/57A 1957-04-24 Molecular compounds of purines and a method of production Expired GB817624A (en)

Publications (1)

Publication Number Publication Date
GB817624A true GB817624A (en) 1959-08-06

Family

ID=1724659

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13106/57A Expired GB817624A (en) 1957-04-24 Molecular compounds of purines and a method of production

Country Status (1)

Country Link
GB (1) GB817624A (en)

Similar Documents

Publication Publication Date Title
GB817624A (en) Molecular compounds of purines and a method of production
GB915193A (en) Process for the manufacture of the calcium and ammonium salts of alpha-hydroxy-gamma-methylthiobutyric acid
GB879441A (en) Improved injectable iron preparations
GB1005478A (en) Process for electrodeposition of a platinum coating and electrolyte for the application of said process
GB887012A (en) Process for the preparation of 18ยช--glycyrrhetinic acid
ES351689A1 (en) Improvements in or relating to Compositions Containing Choline Chloride
GB613080A (en) Improvements in the preparation of stable medicinal salts of acetylsalicylic acid
GB1017341A (en) Process for the production of barium salts
GB872130A (en) Improvements in and relating to a process for preparing acetylsalicyclic acid anhydride
GB782715A (en) Process for the preparation of lead azide
AT207042B (en) Process for the production of pharmaceutical preparations which contain purines and / or purine derivatives
GB904112A (en) Improvements in or relating to heparine and derivatives thereof
GB1072238A (en) Process for the preparation of pivalolactone
GB841196A (en) Theophylline derivatives
IT1045515B (en) 5-hydroxy-2-carboxy-pyrone (comeric acid) - prepn by heating 2,5-diketo-gluconic acid
GB754845A (en) Improvements in or relating to pteridines
NL6913551A (en) 5-hydroxy-2-carboxy-pyrone (comeric acid) - prepn by heating 2,5-diketo-gluconic acid
GB771180A (en) 1,4-naphthoquinone addition product
GB950826A (en) Cyanuric acid production
GB624696A (en) Improvements in or relating to method of preparing a stable aqueous theophylline solution and the product resulting therefrom
GB626417A (en) Improvements in or relating to a method of preparing a salt of penicillin and the product resulting therefrom
ES378351A1 (en) A procedure for preparing 4- (9-adenil) -2,3 dihydroxy-butyric acid. (Machine-translation by Google Translate, not legally binding)
GB927423A (en) Dipiperazine sulphate solutions and method therefor
GB855504A (en) Preparation of 2-methyl-4-chloro-phenoxy alkanoic acids
GB932942A (en) Improvements in or relating to the production of a choline derivative