chemistry

Tamibarotene

Tamibarotene 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 Tamibarotene rather than just read about it. In short: Tamibarotene (brand name: Amnolake), also called retinobenzoic acid, is orally active, synthetic retinoid, developed to overcome all-trans retinoic acid (ATRA) resistance, with potential antineoplastic activity against acute promyelocytic leukaemia (APL) . It is currently marketed only in Japan and early trials have demonstrated that it tends to be better tolerated than ATRA.

Key takeaways

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

Reference excerpt

Tamibarotene (brand name: Amnolake), also called retinobenzoic acid, is orally active, synthetic retinoid, developed to overcome all-trans retinoic acid (ATRA) resistance, with potential antineoplastic activity against acute promyelocytic leukaemia (APL) . It is currently marketed only in Japan and early trials have demonstrated that it tends to be better tolerated than ATRA. Tamibarotene has been tested in many other cancer types, including Acute Myeloid Leukemia where it shows no benefit, and lung cancer, where it accelerated the cancer growth and increased mortality. It has also been investigated as a possible treatment for Alzheimer's disease, multiple myeloma and Crohn's disease. Tamibarotene shows a similar side effect profile to Tretinoin, but exhibits lower clearance, resulting in improved dosing regiments. Hyperlipidemia is a common finding from Tamibarotene dosing.

Synthesis

Reaction of the diol (1) with hydrogen chloride affords the corresponding dichloro derivative (2). Aluminum chloride mediated Friedel–Crafts alkylation of acetanilide with the dichloride affords the tetralin (3). Basic hydrolysis leads to the primary amine (4). Acylation of the primary amino group with the half acid chloride half ester from terephthalic acid (5) leads to the amide (6). Basic hydrolysis of the ester grouping then affords (7).

References

Illustrations

Worked examples

Example 1 — a first encounter with Tamibarotene

Start with the simplest possible case. Write down what Tamibarotene 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 Tamibarotene 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 Tamibarotene 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 Tamibarotene

In research: Tamibarotene 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 Tamibarotene 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: Tamibarotene is common in secondary-school and first-year university syllabi. It links to neighbouring topics Antineoplastic and immunomodulating drug stubs, Antineoplastic drugs, Benzoic acids, so understanding it makes those chapters shorter.
In everyday life: Look for Tamibarotene 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 Tamibarotene in 20 minutes

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

Frequently asked questions

What is Tamibarotene in simple terms?

Why does Tamibarotene 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 Tamibarotene?

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 Tamibarotene.