Barbital tau npaj los ntawm condensing diethylmalonic ester nrog urea hauv muaj sodium ethoxide, lossis los ntawm kev ntxiv tsawg kawg ob qhov sib npaug ntawm ethyl iodide rau cov nyiaj ntsev ntawm malonylurea (barbituric acid) los yog tejzaum nws yog ib qho kev daws teeb meem ntawm cov kua qaub.
barbital muab tau los ntawm dab tsi?
Barbital, methylphenobarbital (tseem hu ua mephobarbital), thiab phenobarbital yog teem caij teem sijhawm IV tshuaj, thiab "Ib yam khoom uas muaj ntau npaum li cas ntawm ib qho derivative ntawm barbituric acid, lossis ib qho twg. ntsev ntawm ib tug derivative ntawm barbituric acid" (tag nrho lwm yam barbiturates) raug xaiv raws li lub sij hawm III.
YPuas yog barbital tib yam li phenobarbital?
Barbital tau tsim thawj zaug hauv xyoo 1903, thiab phenobarbital tau los ua muaj nyob rau xyoo 1912.
Puas yog barbital tranquilizer?
A ntev-ua yeeb yam barbiturate uas cuam tshuam cov txheej txheem metabolic feem ntau ntawm cov koob tshuaj ntau. Nws yog siv raws li hypnotic thiab sedative thiab yuav induce dependence. Barbital kuj tseem siv rau hauv kev xyaum kho tsiaj rau hauv nruab nrab lub paj hlwb kev nyuaj siab.
Puas yog barbital yog barbiturate?
Barbital (Veronal) yog thawj barbiturate thiab tau siv rau kev kho mob xyoo 1903. Barbiturates tau nquag siv los kho kev ntxhov siab, ntxhov siab, thiab insomnia, tab sis lawv siv rau kev kho mob. Cov tsos mob zoo li no poob rau qhov tsis txaus siab vim muaj kev pheej hmoo ntawm kev siv tshuaj ntau dhau thiab kev tsim txom.
