chemistry

Suplatast tosilate

Suplatast tosilate 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 Suplatast tosilate rather than just read about it. In short: Suplatast tosilate (INN) is an inhibitor of cytokine T helper cells. Overstimulation of these Th2 cells can lead to an allergic reaction, so the drug is used as an antihistamine.

Key takeaways

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

Reference excerpt

Suplatast tosilate (INN) is an inhibitor of cytokine T helper cells. Overstimulation of these Th2 cells can lead to an allergic reaction, so the drug is used as an antihistamine. It has also been used in the treatment of Kimura's disease.

Synthesis

Acylation of 1-(4-aminophenoxy)-3-ethoxypropan-2-ol (1) with 3-methylthiopropionyl chloride (2) gives the amide (3). Methylation of the thioether using methyl tosylate (4) yields suplatast as its toluenesulfonic acid salt.

References

Further reading Sano Y (December 1996). "[Anti-inflammatory drugs for the treatment of bronchial hyperresponsiveness]". Nihon Kyōbu Shikkan Gakkai Zasshi (in Japanese). 34 Suppl: 48–53. PMID 9216184.

Illustrations

Worked examples

Example 1 — a first encounter with Suplatast tosilate

Start with the simplest possible case. Write down what Suplatast tosilate 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 Suplatast tosilate 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 Suplatast tosilate 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 Suplatast tosilate

In research: Suplatast tosilate 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 Suplatast tosilate 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: Suplatast tosilate is common in secondary-school and first-year university syllabi. It links to neighbouring topics Anilides, Carboxamides, Drugs not assigned an ATC code, so understanding it makes those chapters shorter.
In everyday life: Look for Suplatast tosilate 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 Suplatast tosilate in 20 minutes

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

Frequently asked questions

What is Suplatast tosilate in simple terms?

Suplatast tosilate (INN) is an inhibitor of cytokine T helper cells. Overstimulation of these Th2 cells can lead to an allergic reaction, so the drug is used as an antihistamine.

Why does Suplatast tosilate 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 Suplatast tosilate?

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 Suplatast tosilate.