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Metitepine

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Metitepine
Metitepine.svg
Clinical data
Other names Methiothepin; Methiothepine; Ro 8-6837 (maleate); VUFB-6276 (mesylate)
Identifiers
  • 1-methyl-4-(8-methylsulfanyl-5,6-dihydrobenzo[b][1]benzothiepin-6-yl)piperazine
CAS Number
PubChem CID
IUPHAR/BPS
ChemSpider
UNII
ChEBI
CompTox Dashboard (EPA)
ECHA InfoCard 100.261.496
Chemical and physical data
Formula C20H24N2S2
Molar mass 356.55 g·mol−1
3D model (JSmol)
  • CN1CCN(CC1)C2Cc3ccccc3Sc4c2cc(cc4)SC
  • InChI=1S/C20H24N2S2/c1-21-9-11-22(12-10-21)18-13-15-5-3-4-6-19(15)24-20-8-7-16(23-2)14-17(18)20/h3-8,14,18H,9-13H2,1-2H3
  • Key:RLJFTICUTYVZDG-UHFFFAOYSA-N

Metitepine (INN; developmental code names Ro 8-6837 (maleate), VUFB-6276 (mesylate)), also known as methiothepin, is a drug described as a "psychotropic agent" of the tricyclic group which was never marketed. It acts as a non-selective antagonist of serotonin, dopamine, and adrenergic receptors and has antipsychotic properties.

Synthesis

Synthesis:

The reduction of 2-(4-methylsulfanylphenyl)sulfanylbenzoic acid, CID:2733664 (1) gives [2-(4-methylsulfanylphenyl)sulfanylphenyl]methanol, CID:12853582 (2). Halogenating with thionyl chloride gives 1-(chloromethyl)-2-(4-methylsulfanylphenyl)sulfanylbenzene, CID:12853583 (3). FGI with cyanide gives 2-[2-(4-methylsulfanylphenyl)sulfanylphenyl]acetonitrile, CID:12853584 (4). Alkali hydrolysis of the nitrile to 2-[2-(4-methylsulfanylphenyl)sulfanylphenyl]acetic acid, CID:12383832 (5). PPA cyclization to 3-methylsulfanyl-6H-benzo[b][1]benzothiepin-5-one, CID:827052 (6). The reduction with sodium borohydride gives 3-methylsulfanyl-5,6-dihydrobenzo[b][1]benzothiepin-5-ol, CID:13597048 (7). Halogenating with a second round of thionyl chloride gives 5-chloro-3-methylsulfanyl-5,6-dihydrobenzo[b][1]benzothiepine, CID:12404411. Alkylation with 1-methylpiperazine [109-01-3] completed the synthesis of Metitepine (9).

See also

External links




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