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Other names | N,N-Dihexyltryptamine; DHT |
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Chemical and physical data | |
Formula | C22H36N2 |
Molar mass | 328.544 g·mol−1 |
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Dihexyltryptamine (DHT), or N,N-dihexyltryptamine, is a drug of the tryptamine family related to serotonergic psychedelics like dimethyltryptamine (DMT). [1] [2] It is an analogue in the structural series of N,N-dialkylated tryptamines that also includes DMT, diethyltryptamine (DET), dipropyltryptamine (DPT), dibutyltryptamine (DBT), and diamyltryptamine (DAT). [1] [2] [3] [4]
The drug is active in the conditioned avoidance test and produces dose-dependent hypolocomotion in rodents similarly to psychedelic tryptamines. [5] In contrast to its lower homologues like DMT, DET, DPT, and DBT however, DHT was completely inactive in terms of hallucinogenic and other effects at a dose of 1 mg/kg in humans. [1] [2] [6] In terms of the lower homologues, DMT, DET, and DPT are all described as fully effective hallucinogens, whereas DBT was described as producing only slight hallucinogenic effects. [1] [2] [6] [3]
DHT was first described by Stephen Szára and colleagues in 1961. [6] It was briefly mentioned by Alexander Shulgin in his 1997 book TiHKAL , but does not appear to have been synthesized or evaluated by him. [3]
Szara and co-workers (221,223,225) noted psychotomimetic activity for N,N-diethyltryptamine (DET; 38) at a dose of 1 mg/kg. [...] N,N-Dipropyltryptamine (DPT; 39) is also hallucinogenic in man at 1 mg/kg (222). [...] Branching of the propyl groups results in N,N-diisopropyltryptamine (DIPT; 40), which is orally active at 20 to 50 mg (202). N,N-Dibutyltryptamine (DBT; 41) and N,N-dihexyltryptamine (DHT; 42) have been examined only briefly. At 1 mg/kg, DBT produced only slight perceptual, emotional, and thinking disturbances in man, while DHT at the same dose was completely inactive (222).
The N,N-dibutyl derivative (4.11) showed a considerable decrease in activity, while increasing the chain length to N,N-dihexyl (4.12) abolished hallucinogenic effects in man (Szara, 1961b).