CAS 519: 37-9|7-(-Hydroxyethyl) theophylline

Daim ntawv thov:

Cov khoom no tuaj yeem siv los ua qhov nruab nrab rau Etofylline clofibrate.

 

Txoj kev ntawm Synthesis:

Nqe lus piav qhia rau txoj kev ntawm kev sib txuas:

Ntxiv theophylline rau hauv cov tshuaj tiv thaiv hlab ntsha, siv n-propanol ua cov kuab tshuaj thiab pyridine ua cov alkaline catalyst, do thiab kub rau qhov kub thiab txias kom yaj theophylline; Tom qab ntawd maj mam qhia ethylene oxide thiab txuas ntxiv cov tshuaj tiv thaiv ntawm qhov kub thiab txias kom txog thaum cov khoom siv hloov pauv tag nrho; Tom qab cov tshuaj tiv thaiv ua tiav thiab txias, cov khoom siv crude yog recrystallized, lim, ntxuav, thiab lub tshuab nqus tsev ziab kom tau cov khoom phiaj - hydroxyethyl theophylline.

 

Synonyms:

ETOFYLLINE
BIOPHYLLINE

 

7-(2-Hydroxyethyl) theophylline
Phyllocormin

7-(-Hydroxyethyl)theophylline
ETOFYLLINE EPE
BETA-HYDROXYETHYLTHEOPHYLLINE

 

7-(2-Hydroxyethyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione
ETOFYLLINE (BETA{0}}HYDROXYETHYLTHEOPHYLLINE)

 

B-hydroxyethyltheophylline

 

 

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