chemistry

Pipotiazine

Pipotiazine 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 Pipotiazine rather than just read about it. In short: Pipotiazine (Piportil), also known as pipothiazine, is a typical antipsychotic of the phenothiazine class used in the United Kingdom and other countries for the treatment of schizophrenia. Its properties are similar to those of chlorpromazine.

Key takeaways

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

Reference excerpt

Pipotiazine (Piportil), also known as pipothiazine, is a typical antipsychotic of the phenothiazine class used in the United Kingdom and other countries for the treatment of schizophrenia. Its properties are similar to those of chlorpromazine. A 2004 systematic review investigated its efficacy for people with schizophrenia:

Medical uses Pipotiazine palmitate is used to treat schizophrenia.

Contraindications Pipotiazine palmitate is contraindicated in people with circulatory collapse (shock), altered states of consciousness, including drug intoxication, or other serious health conditions (liver disease, kidney disease, pheochromocytoma, severe cardiovascular disease, or blood dyscrasias). It is contraindicated in people with severe depression. Pipotiazine palmitate should not be used in people who have a history of allergic reactions to any component of the medicine or to chemically similar medicines (phenothiazines).

Pharmacokinetics Pipotiazine was available as a long-acting injectable formulation (pipotiazine palmitate). After deep intramuscular injection, pipotiazine palmitate reaches maximum plasma concentration in 7-14 days, has an elimination half-life of 15 days, and reaches steady-state levels after 2 months of usual dosing (given every 4 weeks).

Synthesis Synthesis of pipotiazine has been reported.

The alkylation of 2-dimethylaminosulfonylphenthiazine (1) with 1-bromo-3-chloropropane (2) gives 10-(3-chloropropyl)-N,N-dimethylphenothiazine-2-sulfonamide (3). Alkylation with 4-piperidineethanol (4) completes the synthesis of pipothiazine (5).

History The long-acting injectable formulation of pipotiazine (pipotiazine palmitate) was withdrawn from all markets globally in March 2015 due to a shortage of the active ingredient.

References

Illustrations

Worked examples

Example 1 — a first encounter with Pipotiazine

Start with the simplest possible case. Write down what Pipotiazine 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 Pipotiazine 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 Pipotiazine 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 Pipotiazine

In research: Pipotiazine 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 Pipotiazine 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: Pipotiazine is common in secondary-school and first-year university syllabi. It links to neighbouring topics Dimethylamino compounds, Hydroxyethyl compounds, M1 receptor antagonists, so understanding it makes those chapters shorter.
In everyday life: Look for Pipotiazine 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.

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How to study Pipotiazine in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Pipotiazine 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 Pipotiazine out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Pipotiazine in simple terms?

Why does Pipotiazine 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 Pipotiazine?

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 Pipotiazine.