Benzodiazepines

The origin of BZs stemmed from the 'diversity oriented,'81 search for a new tranquilizer. Chlordiazepoxide was synthesized in 1955 but was not evaluated in vivo until 3 years later when it was found to be a potent CNS depressant. The reason for not subjecting chlordiazepoxide to biological evaluation earlier was the fact that the compound was thought to be quinazoline-N-oxide 1, which resulted from the failed synthesis of heptoxdiazine 2 (Figure 2a). Several analogs of 1 were subjected to in vivo evaluation and all failed to show the desired effect. The attempted synthesis of 2 was performed simply because the compounds would be diverse relative to the known tranquilizers of the day

Conquering Fear In The 21th Century

Conquering Fear In The 21th Century

The Ultimate Guide To Overcoming Fear And Getting Breakthroughs. Fear is without doubt among the strongest and most influential emotional responses we have, and it may act as both a protective and destructive force depending upon the situation.

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