chemistry

NLX-204

NLX-204 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 NLX-204 rather than just read about it. In short: NLX-204 is a drug that as of 2026 is being evaluated to treat depression. It is a selective biased agonist of the serotonin 5-HT1A receptor, distinguished by its preference for activating ERK1/ERK2 phosphorylation pathways.

Key takeaways

NLX-204 belongs to chemistry; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect NLX-204 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of NLX-204 from memory before moving on to harder problems.

Reference excerpt

NLX-204 is a drug that as of 2026 is being evaluated to treat depression. It is a selective biased agonist of the serotonin 5-HT1A receptor, distinguished by its preference for activating ERK1/ERK2 phosphorylation pathways. This compound has demonstrated potent and rapid-acting antidepressant-like effects in preclinical models, with activity comparable to ketamine in reversing symptoms of depression and treatment-resistant depression in rodents. Recent studies suggest that NLX-204 also offers potential benefits reversing memory deficits and anxiety, positioning it as a candidate for a rapid-acting antidepressant therapy.

Chemistry

Synthesis NLX-204 is synthesized from 3-chloro-4-fluorobenzoic acid. Conversion to the corresponding benzoyl chloride followed by amidation with 4-piperidone yields a benzoylpiperidone intermediate. A Darzens reaction with chloroacetonitrile produces a cyanoepoxide, which undergoes regioselective ring opening with poly(hydrogen fluoride)pyridine to form a cyanohydrin. Final reductive amination with 2-(pyridin-2-yloxy)ethanamine in the presence of sodium cyanoborohydride affords NLX-204.

See also F-15599 (NLX-101) Befiradol (F-13640; NLX-112) NLX-266 TMU4142

References

Illustrations

Worked examples

Example 1 — a first encounter with NLX-204

Start with the simplest possible case. Write down what NLX-204 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 NLX-204 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 NLX-204 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 NLX-204

In research: NLX-204 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 NLX-204 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: NLX-204 is common in secondary-school and first-year university syllabi. It links to neighbouring topics 2-Pyridyl compounds, 5-HT1A agonists, Benzamides, so understanding it makes those chapters shorter.
In everyday life: Look for NLX-204 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 NLX-204 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what NLX-204 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 NLX-204 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is NLX-204 in simple terms?

Why does NLX-204 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 NLX-204?

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 NLX-204.