chemistry

Metitepine

Metitepine is a chemistry topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Metitepine rather than just read about it. In short: Metitepine (INNTooltip International Nonproprietary Name; 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 or tetracyclic group which was never marketed. It acts as a non-selective antagonist of serotonin, dopamine, and adrenergic receptors, including of the serotonin 5-HT1, 5-HT2, 5-HT5, 5-HT6, and 5-HT7 r…

Key takeaways

Metitepine belongs to chemistry; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Metitepine to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Metitepine from memory before moving on to harder problems.

Reference excerpt

Metitepine (INNTooltip International Nonproprietary Name; 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 or tetracyclic group which was never marketed. It acts as a non-selective antagonist of serotonin, dopamine, and adrenergic receptors, including of the serotonin 5-HT1, 5-HT2, 5-HT5, 5-HT6, and 5-HT7 receptors. The drug has antipsychotic properties.

Pharmacology

Pharmacodynamics

Chemistry

Analogues Metitepine is closely structurally related to certain other tetracyclic compounds including amoxapine, batelapine, clorotepine, clotiapine, clozapine, flumezapine, fluperlapine, loxapine, metiapine, olanzapine, oxyprothepin, perathiepin, perlapine, quetiapine, tampramine, and tenilapine.

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).

References

External links Methiothepin at the U.S. National Library of Medicine Medical Subject Headings (MeSH)

Illustrations

Worked examples

Example 1 — a first encounter with Metitepine

Start with the simplest possible case. Write down what Metitepine claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In chemistry, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Metitepine before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Metitepine ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Metitepine

In research: Metitepine appears in chemistry research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Metitepine in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Metitepine is common in secondary-school and first-year university syllabi. It links to neighbouring topics 4-Methylpiperazin-1-yl compounds, 5-HT1A antagonists, 5-HT1E antagonists, so understanding it makes those chapters shorter.
In everyday life: Look for Metitepine outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Metitepine in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Metitepine means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Metitepine out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Metitepine in simple terms?

Why does Metitepine matter?

Because it connects several chemistry ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Metitepine?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Metitepine.