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mathematics

Imidine

Imidine is a mathematics 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 Imidine rather than just read about it. In short: In chemistry imidines are a rare functional group, being the nitrogen analogues of anhydrides and imides. They were first reported by Adolf Pinner in 1883, but did not see significant investigation until the 1950s, when Patrick Linstead and John Arthur Elvidge developed a number of compounds.

Imidine — main illustration
Imidine — illustration

Key takeaways

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

Reference excerpt

In chemistry imidines are a rare functional group, being the nitrogen analogues of anhydrides and imides. They were first reported by Adolf Pinner in 1883, but did not see significant investigation until the 1950s, when Patrick Linstead and John Arthur Elvidge developed a number of compounds. Imidines may be prepared in a modified Pinner reaction, by passing hydrogen chloride into an alcoholic solution of their corresponding di-nitriles (i.e. succinonitrile, glutaronitrile, adiponitrile) to give imino ethers which then condense when treated with ammonia. As a result, most structures are cyclic. The compounds are highly moisture sensitive and can be converted into imides upon exposure to water.

See also Amidine Guanidines

References

Worked examples

Example 1 — a first encounter with Imidine

Start with the simplest possible case. Write down what Imidine claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In mathematics, 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 Imidine 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 Imidine 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 Imidine

In research
Imidine appears in mathematics 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 Imidine 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
Imidine is common in secondary-school and first-year university syllabi. It links to neighbouring topics Functional groups, so understanding it makes those chapters shorter.
In everyday life
Look for Imidine 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 Imidine in 20 minutes

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

Frequently asked questions

What is Imidine in simple terms?

In chemistry imidines are a rare functional group, being the nitrogen analogues of anhydrides and imides. They were first reported by Adolf Pinner in 1883, but did not see significant investigation until the 1950s, when Patrick Linstead and John Arthur Elvidge developed a number of compounds.

Why does Imidine matter?

Because it connects several mathematics 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 Imidine?

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 Imidine.

Tags

  • Functional groups

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