chemistry

Ψ-DOM

Ψ-DOM 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 Ψ-DOM rather than just read about it. In short: ψ-DOM, or psi-DOM, also known as 2,6-dimethoxy-4-methylamphetamine or as Z-7, is a psychedelic drug of the phenethylamine, amphetamine, and Ψ-PEA families related to DOM. It is a positional isomer of DOM in which the methoxy group at the 5 position has been relocated to the 6 position.

Key takeaways

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

Reference excerpt

ψ-DOM, or psi-DOM, also known as 2,6-dimethoxy-4-methylamphetamine or as Z-7, is a psychedelic drug of the phenethylamine, amphetamine, and Ψ-PEA families related to DOM. It is a positional isomer of DOM in which the methoxy group at the 5 position has been relocated to the 6 position. The drug is taken orally.

Use and effects In his book PiHKAL (Phenethylamines I Have Known and Loved), Alexander Shulgin lists ψ-DOM's dose as 15 to 25 mg orally and its duration as 6 to 8 hours. The effects of ψ-DOM were reported to include feeling weird or strange, closed-eye imagery, some visuals, introspection, feeling stoned, spaciness, lightheadedness, muscle tremors, palpitations, and diarrhea. The visuals were said to have been less than expected based on the intensity of its effects. The drug is about one-third as potent as DOM.

Interactions

Pharmacology

Pharmacodynamics ψ-DOM shows affinity for the serotonin 5-HT2A and 5-HT2C receptors (Ki = 49–351 nM and 50 nM, respectively). Its affinity for the serotonin 5-HT2A receptor was about 2.6- to 3.5-fold lower than that of DOM. The drug acts as an agonist of the serotonin 5-HT2A receptor similarly to DOM. ψ-DOM has been found to substitute for LSD and 5-MeO-DMT in rodent drug discrimination tests. Conversely, it did not substitute for the serotonin 5-HT1A receptor agonist LY-293284 in such tests.

Chemistry

Synthesis The chemical synthesis of ψ-DOM has been described.

Analogues Analogues of ψ-DOM include other ψ-PEA derivatives like TMA-6 (ψ-TMA-2), Ψ-2C-T-4, and Ψ-DODFMO, among others.

History Ψ-DOM was first described in the literature by Alexander Shulgin in 1970. Subsequently, it was described in greater detail by Shulgin in his 1991 book PiHKAL (Phenethylamines I have Known and Loved).

Society and culture

Legal status

Canada Ψ-DOM is a controlled substance in Canada under phenethylamine blanket-ban language.

United States Ψ-DOM is not an explicitly controlled substance in the United States. However, it could be considered a controlled substance under the Federal Analogue Act if intended for human consumption. In addition, it may be considered scheduled as a positional isomer of DOM.

Illustrations

Worked examples

Example 1 — a first encounter with Ψ-DOM

Start with the simplest possible case. Write down what Ψ-DOM 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 Ψ-DOM 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 Ψ-DOM 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 Ψ-DOM

In research: Ψ-DOM 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 Ψ-DOM 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: Ψ-DOM is common in secondary-school and first-year university syllabi. It links to neighbouring topics 5-HT2A agonists, Drugs not assigned an ATC code, Methyl compounds, so understanding it makes those chapters shorter.
In everyday life: Look for Ψ-DOM 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 Ψ-DOM in 20 minutes

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

Frequently asked questions

What is Ψ-DOM in simple terms?

Why does Ψ-DOM 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 Ψ-DOM?

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 Ψ-DOM.