Vērtējums:
Publicēts: 17.09.2005.
Valoda: Angļu
Līmenis: Vidusskolas
Literatūras saraksts: Nav
Atsauces: Nav
  • Eseja 'Colchicine.', 1.
  • Eseja 'Colchicine.', 2.
Darba fragmentsAizvērt

Colchicine is a highly poisonous water-soluble alkaloid found in plants of the genus Colchicum (autumn crocus, meadow saffron) with the chemical formula C22H25NO6. The chemical name or common name for colchicine is (S) N-(5,6,7,9-tetrahydro- 1,2,3, IO-tetramethoxy-9-oxobenzo [alpha] heptaien-7-yl) acetamide. The molecular weight of it is 399.2 grams.
Colchicine has 4 isomers,each pair has either R or S configuration.(-)-(aS,7S)-Colchicine is the natural isomer which can interconvert between aR and aS
* C22H25NO6
* molecular weight is 399.4426
* melting point is 142 degrees Celsius
*…

Atlants