Also known as tetrahydropyrazole, 1,2-diazacyclopentane
Pyrazolidine is a heterocyclic compound. It is a liquid that is stable in air, but it is hygroscopic.
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Pyrazolidine is a heterocyclic compound. It is a liquid that is stable in air, but it is hygroscopic.
== Preparation== Pyrazolidine can be produced by cyclization of 1,3-dichloropropane or 1,3-dibromopropane with hydrazine:
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).