astronomy

Ohyun Kwon

Ohyun Kwon is a astronomy 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 Ohyun Kwon rather than just read about it. In short: Ohyun Kwon is an American chemist who is a professor at the University of California, Los Angeles. Her research considers new methodologies for organic transformations and the development of chiral catalysts.

Key takeaways

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

Reference excerpt

Ohyun Kwon is an American chemist who is a professor at the University of California, Los Angeles. Her research considers new methodologies for organic transformations and the development of chiral catalysts.

Early life and education Kwon was born in South Korea. She attended the Seoul National University, where she majored in chemistry. She moved to the United States for graduate studies, first joining Columbia University to work in the research group of Samuel J. Danishefsky. Her doctorate considered the synthesis of glycolipid Ganglio-N-tetraosylceramide (asialo GM1). Afterwards, Kwon moved to Harvard University as a postdoctoral fellow in the laboratory of Stuart Schreiber, where she worked on a diversity oriented synthesis of macrocycles and multi-cyclic compounds.

Research and career Kwon was appointed to the faculty at the University of California, Los Angeles (UCLA) in 2001. Her research includes the development of chiral catalysts, target-oriented synthesis of natural compounds and diversity oriented synthesis of natural-product like molecules. She has explored the activation of the C(sp3)–C(sp2) bond of alkenes that is common in natural products. These can be used for the generation of biologically relevant molecules and total synthesis. Kwon developed organic, phosphine-based catalysts for chemical reactions. She has shown that phosphine-catalysed annulations can be used to create natural products of medical significance. Kwon showed that chiral phosphines can be used for asymmetric catalysis, including DIPAMP, DIOP and BINAP. These phosphines include stereogenic phosphorus centres, axial chirality and stereogenic carbon centres. Kwon developed a family of phosphines with stereogenic carbon and phosphorus centres that are available from Sigma-Aldrich.

Awards and honors 2018 University of California Center for Accelerated Innovation Technology Development Grant 2019 Novartis Chemistry Lectureship Award 2019 Herbert Newby McCoy Award 2024 Arthur C. Cope Scholar Award

Selected publications Hongchao Guo; Yi Chiao Fan; Zhanhu Sun; Yang Wu; Ohyun Kwon (27 September 2018). "Phosphine Organocatalysis". Chemical Reviews. 118 (20): 10049–10293. doi:10.1021/acs.chemrev.8b00081. ISSN 0009-2665. PMC 6218176. PMID 30260217. Wikidata Q57790695. Xue-Feng Zhu; Jie Lan; Ohyun Kwon (1 April 2003). "An expedient phosphine-catalyzed [4 + 2] annulation: synthesis of highly functionalized tetrahydropyridines". Journal of the American Chemical Society. 125 (16): 4716–4717. doi:10.1021/ja0344009. ISSN 0002-7863. PMID 12696883. Wikidata Q44404323. Zhiming Wang; Xingzhu Xu; Ohyun Kwon (24 March 2014). "Phosphine catalysis of allenes with electrophiles". Chemical Society Reviews. 43 (9): 2927–2940. doi:10.1039/c4cs00054d. ISSN 0306-0012. PMC 4059616. PMID 24663290. Wikidata Q38198956.

References

Worked examples

Example 1 — a first encounter with Ohyun Kwon

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

In research: Ohyun Kwon appears in astronomy 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 Ohyun Kwon 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: Ohyun Kwon is common in secondary-school and first-year university syllabi. It links to neighbouring topics American chemists, Columbia University alumni, Living people, so understanding it makes those chapters shorter.
In everyday life: Look for Ohyun Kwon 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 Ohyun Kwon in 20 minutes

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

Frequently asked questions

What is Ohyun Kwon in simple terms?

Why does Ohyun Kwon matter?

Because it connects several astronomy 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 Ohyun Kwon?

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 Ohyun Kwon.