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N-Benzyl-2C-B (25B-NB, NB-2C-B) is a recreational designer drug from the 25-NB subgroup of the substituted phenethylamine family, with psychedelic effects. It has a binding affinity (K i ) of 16 nM at the serotonin receptor 5-HT 2A and 90 nM at 5-HT 2C and reportedly has a potency in between that of 2C-B and NBOMe-2C-B .
Like other 2C-X-NBOMe molecules, 25I-NBOMe is a derivative of the 2C family of phenethylamines described by chemist Alexander Shulgin in his book PiHKAL. [17] [15] Specifically, 25I-NBOMe is an N-benzyl derivative of the phenethylamine molecule 2C-I, formed by adding a 2-methoxybenzyl (BnOMe) onto the nitrogen (N) of the phenethylamine backbone ...
The 25-NB (25x-NBx) series, or NBOMe series, also known as the N-benzylphenethylamines, is a family of serotonergic psychedelics. [ 1 ] [ 2 ] They are substituted phenethylamines and were derived from the 2C family . [ 2 ]
25B-NBOMe (NBOMe-2C-B, Cimbi-36, Nova, BOM 2-CB) is a derivative of the phenethylamine psychedelic 2C-B, discovered in 2004 by Ralf Heim at the Free University of Berlin. It acts as a potent full agonist for the 5HT 2A receptor .
The N-benzyl derivative however was found to have higher binding affinity than 2C-B itself, with N-(4-bromobenzyl)-2CB binding even more tightly. [49] This initial research did not include functional assays of activity, but later led to the development of potent substituted N-benzyl derivatives such as 25B-NBOMe, [50] and 25B-NBOH.
25C-NBOMe is derived from the psychedelic phenethylamine 2C-C by substitution on the amine with a 2-methoxybenzyl group. 25C-NBOMe is a clumpy white powder with a notably bitter and metallic taste. 25C-NBOMe has been found on blotter mimics sold as LSD.
While the N-benzyl derivatives of 2C-I had significantly increased binding to 5HT 2A receptor fragments, compared to 2C-I, the N-benzyl derivatives of DOI were less active compared to DOI. [ 4 ] 25I-NBOH is notable as one of the most selective agonist ligands for the 5-HT 2A receptor with an EC 50 value of 0.074 nM with more than 400 times ...
2C-B-BZP contains a benzylpiperazine base as well as the ring-substitution pattern of the psychedelic phenethylamine 2C-B. 2C-B-BZP is not a phenethylamine itself and does not produce psychedelic effects, as the binding groups are in the wrong position to activate the 5-HT 2A receptor, while the phenylpiperazine homologue 2C-B-PP substitutes for DOM in DOM-trained rats with around one-tenth ...