chemistry

Methanesulfonamide

Methanesulfonamide 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 Methanesulfonamide rather than just read about it. In short: Methanesulfonamide is a chemical compound and the simplest representative of the substance group of sulfonamides. Preparation and synthesis Methanesulfonamide is prepared by reacting methanesulfonyl chloride with ammonia.

Key takeaways

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

Reference excerpt

Methanesulfonamide is a chemical compound and the simplest representative of the substance group of sulfonamides.

Preparation and synthesis Methanesulfonamide is prepared by reacting methanesulfonyl chloride with ammonia. Alternatively, the compound can be obtained by reacting the magnesium salt of methanesulfonic acid with hydroxylamine-O-sulfonic acid or by reduction (here: the Staudinger reaction) of methanesulfonyl azide with triphenylphosphine in methanol.

Properties From a solution of methanesulfonamide in heptane, single crystals of the compound are obtained as semi-transparent, white tablets. X-ray structure analysis yields an O–S–O valence angle of 119°, which deviates significantly from the tetrahedral angle of 109.47°. At 161 picometers, the sulfur–nitrogen bond length is significantly shorter than that of a typical single bond (173 picometers) and corresponds to the shortened bond length observed in other sulfonamides. This is presumably caused by a coordinative bond between the lone pair of the amino group and the atomic orbital of the sulfur atom.

Use Various reagents for chemical syntheses can be produced from methanesulfonamide. For example, methanesulfonamide 1, p-toluenesulfonic acid 2 and 1,1-dimethoxy-2-(methylthio)ethane 3 yield N-(2-methylthio-1-p-toluenesufonylethyl)methanesulfonamide 4, a key compound in the synthesis of symmetrically substituted porphyrins.

In Sharpless dihydroxylation, the oxidation of olefins with potassium hexacyanidoferrate(III) and osmium(VIII) oxide to cis-vicinal-diols, methanesulfonamide acts as a catalyst in the final hydrolysis step during protonation of the osmium intermediate.

References

Illustrations

Worked examples

Example 1 — a first encounter with Methanesulfonamide

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

In research: Methanesulfonamide 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 Methanesulfonamide 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: Methanesulfonamide is common in secondary-school and first-year university syllabi. It links to neighbouring topics Organic compounds with 1 carbon atom, Sulfonamides, so understanding it makes those chapters shorter.
In everyday life: Look for Methanesulfonamide 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 Methanesulfonamide in 20 minutes

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

Frequently asked questions

What is Methanesulfonamide in simple terms?

Methanesulfonamide is a chemical compound and the simplest representative of the substance group of sulfonamides. Preparation and synthesis Methanesulfonamide is prepared by reacting methanesulfonyl chloride with ammonia.

Why does Methanesulfonamide 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 Methanesulfonamide?

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 Methanesulfonamide.