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75651 Sigma-Aldrich

(1S,5R)-2-Oxabicyclo[3.3.0]oct-6-en-3-one

puriss., ≥99.0% (sum of enantiomers, GC)

Synonym: (3aR,6aS)-3,3a,6,6a-Tetrahydro-2H-1-oxapentalen-2-one, (3aR,6aS)-3,3a,6,6a-Tetrahydro-2H-cyclopenta[b]furan-2-one

  • CAS Number 43119-28-4

  • Empirical Formula (Hill Notation) C7H8O2

  • Molecular Weight 124.14

  •  Beilstein Registry Number 3537516

  •  MDL number MFCD00010402

  •  PubChem Substance ID 24886858

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Properties

Related Categories Asymmetric Synthesis, Chemical Synthesis, Chiral Building Blocks, Lactones, Organic Building Blocks More...
InChI Key   RYBPGUMSFWGGLP-WDSKDSINSA-N
grade   puriss.
assay   ≥99.0% (sum of enantiomers, GC)
optical activity   [α]20/546 −104±2°, c = 0.5% in methanol
mp   42-46 °C
  44-46 °C(lit.)
storage temp.   2-8°C

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Other Notes

Key intermediate for the stereoselective synthesis of prostaglandins

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WGK Germany 
3

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Certificate of Analysis

Protocols & Articles
Peer-Reviewed Papers
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448478 (1S,5R)-2-Oxabicyclo[3.3.0]oct-6-en-3-one, 99%

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