1B-LSD

1B-LSD (N1-butyryl-lysergic acid diethylamide) is an acylated derivative of lysergic acid diethylamide (LSD), which has been sold as a designer drug.[2] In tests on mice it was found to be an active psychedelic, though with only around 1/7 the potency of LSD itself.[3][4][5]

1B-LSD
Legal status
Legal status
Identifiers
IUPAC name
  • (6aR,9R)-N,N-diethyl-6-methyl-4-butanoyl-4,6,6a,7,8,9-hexahydroindolo[4,3-fg]quinoline-9-carboxamide
CAS Number
PubChem CID
ChemSpider
UNII
Chemical and physical data
FormulaC24H31N3O2
Molar mass393.531 g·mol−1
3D model (JSmol)
SMILES
  • CN1[C@](C2=C[C@@H](C(N(CC)CC)=O)C1)([H])CC3=CN(C(CCC)=O)C4=C3C2=CC=C4
InChI
  • InChI=1S/C24H31N3O2/c1-5-9-22(28)27-15-16-13-21-19(18-10-8-11-20(27)23(16)18)12-17(14-25(21)4)24(29)26(6-2)7-3/h8,10-12,15,17,21H,5-7,9,13-14H2,1-4H3/t17-,21-/m1/s1
  • Key:SVRFNPSJPIDUBC-DYESRHJHSA-N

1B-LSD is illegal in Singapore.[6] Sweden's public health agency suggested classifying 1B-LSD as a hazardous substance, on June 24, 2019.[7]

See also

References
  1. "Arrêté du 20 mai 2021 modifiant l'arrêté du 22 février 1990 fixant la liste des substances classées comme stupéfiants". www.legifrance.gouv.fr (in French). 20 May 2021.
  2. Tsochatzis E, Lopes JA, Reniero F, Holland M, Åberg J, Guillou C (February 2020). "Identification of 1-Butyl-Lysergic Acid Diethylamide (1B-LSD) in Seized Blotter Paper Using an Integrated Workflow of Analytical Techniques and Chemo-Informatics". Molecules. 25 (3): 712. doi:10.3390/molecules25030712. PMC 7037844. PMID 32045999.
  3. Wagmann L, Richter LH, Kehl T, Wack F, Bergstrand MP, Brandt SD, et al. (July 2019). "In vitro metabolic fate of nine LSD-based new psychoactive substances and their analytical detectability in different urinary screening procedures" (PDF). Analytical and Bioanalytical Chemistry. 411 (19): 4751–4763. doi:10.1007/s00216-018-1558-9. PMID 30617391. S2CID 58615418.
  4. Brandt SD, Kavanagh PV, Westphal F, Stratford A, Elliott SP, Dowling G, et al. (August 2019). "Return of the lysergamides. Part V: Analytical and behavioural characterization of 1-butanoyl-d-lysergic acid diethylamide (1B-LSD)". Drug Testing and Analysis. 11 (8): 1122–1133. doi:10.1002/dta.2613. PMC 6899222. PMID 31083768.
  5. Halberstadt AL, Chatha M, Klein AK, McCorvy JD, Meyer MR, Wagmann L, et al. (August 2020). "Pharmacological and biotransformation studies of 1-acyl-substituted derivatives of d-lysergic acid diethylamide (LSD)" (PDF). Neuropharmacology. 172: 107856. doi:10.1016/j.neuropharm.2019.107856. PMID 31756337. S2CID 208155327.
  6. "Misuse of Drugs Act - Singapore Statutes Online". sso.agc.gov.sg.
  7. "Åtta ämnen föreslås klassas som narkotika eller hälsofarlig vara" (in Swedish). Folkhälsomyndigheten. 24 June 2019.
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