upChemical structure of alprazolam, a common triazolobenzodiazepine
Triazolobenzodiazepines (TBZD) are a class of
benzodiazepine (BZD) derivative pharmaceutical drugs. Chemically, they differ from other benzodiazepines by having an additional fused
triazole ring.
Examples include:
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Adinazolam
AdinazolamFR Patent 2248050 (marketed under the brand name Deracyn) is a tranquilizer of the triazolobenzodiazepine (TBZD) class, which are benzodiazepines (BZDs) fused with a triazole ring. It possesses anxiolytic, anticonvulsant, sedative, and ...
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Alprazolam
Alprazolam, sold under the brand name Xanax, among others, is a fast-acting, potent tranquilizer of medium duration in the triazolobenzodiazepine (TBZD) class, which are benzodiazepines (BZDs) fused with a triazole ring. It is most commonly u ...
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Bromazolam
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Clonazolam
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Estazolam
Estazolam, sold under the brand name Prosom among others, is a tranquilizer medication of the triazolobenzodiazepine (TBZD) class, which are benzodiazepines (BZDs) fused with a triazole ring . It possesses anxiolytic, anticonvulsant, hypnotic, s ...
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Flualprazolam
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Flubromazolam
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Flunitrazolam
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Nitrazolam
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Pyrazolam
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Triazolam
Triazolam, sold under the brand name Halcion among others, is a central nervous system (CNS) depressant tranquilizer of the triazolobenzodiazepine (TBZD) class, which are benzodiazepine (BZD) derivatives. It possesses pharmacological properties ...
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Zapizolam
Synthesis
Synthesis of 1-methyltriazolobenzodiazepines (alprazolam type) is possible by heating 1,4-benzodiazepin-2-
thiones with hydrazine and acetic acid in ''n''-butanol under reflux.
[Hester JB, Duchamp DJ, Chidester CG (1971): "A synthetic approach to new 1,4-benzodiazepine derivatives." Tetrahedron Letters, Vol. 12, pp. 1609-1612.]
References
External links
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