spiro[3.3]heptan-2-one

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spiro[3.3]heptan-2-one structure
Structural Feature
Spiro[3.3]heptane scaffold
Reactive Feature
Ketone
Synthesis Role
Spirocyclic building block
Application Context
Pharmaceutical intermediate
CAS Number30152-57-9
EC/List No.822-345-3
Molecular FormulaC7H10O
Molecular Weight110.15 g/mol
AppearanceLiquid
SMILESO=C1CC2(CCC2)C1
InChIKeyAOAIWGRQECAIKB-UHFFFAOYSA-N
DescriptionSpiro[3.3]heptan-2-one, a symmetric spirocyclic ketone building block. The spiro[3.3]heptane scaffold offers more flexibility than spiro[2.3]hexane while maintaining rigidity.
ApplicationsPharmaceutical intermediate; spirocyclic building block; cycloketone
Hazard ClassFlam. Liq. 3; Skin Irrit. 2; Eye Irrit. 2; STOT SE 3 (Resp)
Hazard StatementsH226; H315; H319; H335
Precautionary StatementsP210; P233; P240; P241; P242; P243; P261; P264; P271; P280; P303+P361+P353; P304+P340; P305+P351+P338; P312; P321; P332+P313; P337+P313; P362; P370+P378; P403+P235; P405; P501