6,6-Dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione TCI C1334

Chemical Identity

Other names: Cyclopropane-1,1-dicarboxylic Acid cycl-Isopropylidene Ester · cycl-Isopropylidene Cyclopropane-1,1-dicarboxylate
CAS No.: 5617-70-9
PubChem: CID 79720·SID 87566346
Formula: C8H10O4
Molecular weight: 170.16 g/mol
Purity: >98.0%(GC)

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: 6,6-dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione
SMILES: CC1(OC(=O)C2(CC2)C(=O)O1)C
InChIKey: AXJVPXNVESYGDT-UHFFFAOYSA-N
MDL: MDL00042796

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TCI C1334 6,6-Dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione is a spirocyclopropane Meldrum's acid derivative that combines ring strain with the high reactivity of the 1,3-dioxane-4,6-dione core. Nucleophiles such as amines and alcohols open the ring to give cyclopropanecarboxylic acid derivatives, a motif frequently found in pharmaceutical compounds. This makes it a practical reagent for introducing cyclopropane units in medicinal chemistry and library synthesis. AMI Scientific offers this TCI building block in research-scale packaging for synthetic laboratories in Indonesia.