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chemistry

Otto Diels

Otto Diels 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 Otto Diels rather than just read about it. In short: Otto Paul Hermann Diels (German pronunciation: [ˈɔto ˈdiːls] ; 23 January 1876 – 7 March 1954) was a German chemist. His most notable work was done with Kurt Alder on the Diels–Alder reaction, a method for cyclohexene synthesis.

Otto Diels — main illustration
Otto Diels — illustration

Key takeaways

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

Reference excerpt

Otto Paul Hermann Diels (German pronunciation: [ˈɔto ˈdiːls] ; 23 January 1876 – 7 March 1954) was a German chemist. His most notable work was done with Kurt Alder on the Diels–Alder reaction, a method for cyclohexene synthesis. The pair was awarded the Nobel Prize in Chemistry in 1950 for their work. Their method of synthesizing cyclic organic compounds proved valuable for the manufacture of synthetic rubber and plastic. He completed his education at the University of Berlin, where he later worked. Diels was employed at the University of Kiel when he completed his Nobel Prize-winning work, and remained there until he retired in 1945. Diels was married, with five children.

Early life Diels was born on 23 January 1876 in Hamburg, Germany, and moved with his family to Berlin when he was two years old. He studied in Berlin at Joachimsthalsches Gymnasium before attending the University of Berlin starting in 1895. While at university, Diels studied chemistry under Emil Fischer, eventually graduating in 1899.

Professional career

Immediately after graduating from the University of Berlin, he was offered a position with the Institute of Chemistry at the school. He advanced quickly through the ranks at the school, eventually ending up as Department Head in 1913. He remained at the University of Berlin until 1915, when he accepted a position at the University of Kiel, where he remained until his retirement in 1945. It was during his time at Kiel, where he worked with Kurt Alder developing the Diels–Alder reaction, for which they were awarded the Nobel Prize in Chemistry in 1950. His work with Alder developed a synthetic method which allows the synthesis of unsaturated cyclic compounds. This work was important in the production of synthetic rubber and plastic compounds.

Personal life Diels married Paula Geyer in 1909. The couple had five children together, three sons and two daughters. Two of his sons were killed in action during World War II. In his free time, Diels enjoyed reading, music and traveling. He died on 7 March 1954.

See also List of chemists

References

External links

Nobel Lecture Description and Importance of the Aromatic Basic Skeleton of the Steroids Photo of Diels and Alder [1] Archived 2020-10-18 at the Wayback Machine English Translation of Diels and Alder's seminal 1928 German article that won them the Nobel prize. English title: 'Syntheses of the hydroaromatic series'; German title "Synthesen in der hydroaromatischen Reihe".

Illustrations

Otto Diels illustration
Otto Diels: Commemorative plaque for Otto Diels in Kiel, Germany
Commemorative plaque for Otto Diels in Kiel, Germany
Otto Diels: The reaction discovered by Diels and Alder in 1928
The reaction discovered by Diels and Alder in 1928

Worked examples

Example 1 — a first encounter with Otto Diels

Start with the simplest possible case. Write down what Otto Diels 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 Otto Diels 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 Otto Diels 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 Otto Diels

In research
Otto Diels 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 Otto Diels 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
Otto Diels is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1876 births, 1954 deaths, 20th-century German chemists, so understanding it makes those chapters shorter.
In everyday life
Look for Otto Diels 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 Otto Diels in 20 minutes

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

Frequently asked questions

What is Otto Diels in simple terms?

Otto Paul Hermann Diels (German pronunciation: [ˈɔto ˈdiːls] ; 23 January 1876 – 7 March 1954) was a German chemist. His most notable work was done with Kurt Alder on the Diels–Alder reaction, a method for cyclohexene synthesis.

Why does Otto Diels 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 Otto Diels?

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 Otto Diels.

Tags

  • 1876 births
  • 1954 deaths
  • 20th-century German chemists
  • Academic staff of the Humboldt University of Berlin
  • Academic staff of the University of Kiel
  • Commanders Crosses of the Order of Merit of the Federal Republic of Germany
  • German Nobel laureates
  • German organic chemists
  • Joachimsthalsches Gymnasium alumni
  • Nobel laureates in Chemistry
  • Scientists from Berlin

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