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Prajmaline

Prajmaline Struktur
35080-11-6
CAS-Nr.
35080-11-6
Englisch Name:
Prajmaline
Synonyma:
Prajmalium;Prajmalum;Prajmaline;N-Propylajmaline;(17R,21α)-17,21-Dihydroxy-4-propylajmalan-4-ium
CBNumber:
CB71179557
Summenformel:
C23H33N2O2
Molgewicht:
369.526
MOL-Datei:
35080-11-6.mol

Prajmaline Eigenschaften

Siedepunkt:
499.62°C (rough estimate)
Dichte
1.0778 (rough estimate)
Brechungsindex
1.6300 (estimate)

Sicherheit

Prajmaline Chemische Eigenschaften,Einsatz,Produktion Methoden

Originator

Neo-Gilurtymal, Giulini ,W. Germany,1973

Manufacturing Process

1 g of ajmaline was dissolved in 4 cc of chloroform, and 1 cc of allyl bromidewas added to the resulting solution. The reaction mixture thus obtained was allowed to stand for 24 hours at room temperature. Thereafter, the clear reaction solution was briefly cooled to a temperature below 0°C, whereby crystallization set in. The crystals were filtered off and were then recrystallized from a mixture of absolute methanol and absolute ether. The purified colorless crystalline product was identified to be N-(b)-allyl-ajmalinium-bromide having a melting point of 252°C to 254°C.
75 g of N-(b)-n-propyl-ajmalinium-bromide were suspended in 3 liters of an aqueous saturated solution of sodium bicarbonate, and the suspension was admixed with 3 liters of chloroform. The resulting mixture was vigorously stirred for six to eight hours. Thereafter, the chloroform phase was separated and evaporated to dryness. 68 g of a yellow syrup remained as a residue. The aldehyde base was dissolved in about 150 cc of acetone and, while stirring and cooling on an ice bath, the solution was slowly admixed with a solution of 25 g of tartaric acid in 2 liters of acetone. The fine white precipitate formed thereby was separated by vacuum filtration, washed with ether and dried. The raw product, weighing 80 g, was recrystallized once from a mixture of ethanol and ether, yielding 50 g of N-(b)-n-propyl-ajmalinium hydrogen tartrate having a melting point of 149°C to 152°C (decomposition).

Therapeutic Function

Antiarrhythmic

Prajmaline Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


Prajmaline Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

Global( 4)Lieferanten
Firmenname Telefon E-Mail Land Produktkatalog Edge Rate
TargetMol Chemicals Inc.
+1-781-999-5354; +17819995354
marketing@targetmol.com United States 32466 58
Shaanxi Didu New Materials Co. Ltd
+86-86-17392712779 +8617792793228
1069@dideu.com China 8661 58
TargetMol Chemicals Inc. 15002134094
marketing@targetmol.cn China 29867 58

35080-11-6()Verwandte Suche:


  • Prajmaline
  • (17R,21α)-17,21-Dihydroxy-4-propylajmalan-4-ium
  • N-Propylajmaline
  • Prajmalum
  • Prajmalium
  • 35080-11-6
  • C23H33N2O2
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