151867-52-6

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• Basic information

  1. Product Name: 2H-Cyclopenta[b]furan-2-one, 5-acetylhexahydro-, [3aR-(3aalpha,5beta,6aalpha)]- (9CI)
  2. Synonyms: 2H-Cyclopenta[b]furan-2-one, 5-acetylhexahydro-, [3aR-(3aalpha,5beta,6aalpha)]- (9CI)
  3. CAS NO:151867-52-6
  4. Molecular Formula: C9H12O3
  5. Molecular Weight: 168.18978
  6. EINECS: N/A
  7. Product Categories: ACETYLGROUP
  8. Mol File: 151867-52-6.mol
  9. Article Data: 1

• Chemical Properties

  1. Melting Point: N/A
  2. Boiling Point: N/A
  3. Flash Point: N/A
  4. Appearance: /
  5. Density: N/A
  6. Refractive Index: N/A
  7. Storage Temp.: N/A
  8. Solubility: N/A
  9. CAS DataBase Reference: 2H-Cyclopenta[b]furan-2-one, 5-acetylhexahydro-, [3aR-(3aalpha,5beta,6aalpha)]- (9CI)(CAS DataBase Reference)
  10. NIST Chemistry Reference: 2H-Cyclopenta[b]furan-2-one, 5-acetylhexahydro-, [3aR-(3aalpha,5beta,6aalpha)]- (9CI)(151867-52-6)
  11. EPA Substance Registry System: 2H-Cyclopenta[b]furan-2-one, 5-acetylhexahydro-, [3aR-(3aalpha,5beta,6aalpha)]- (9CI)(151867-52-6)

• Safety Data

  1. Hazard Codes: N/A
  2. Statements: N/A
  3. Safety Statements: N/A
  4. WGK Germany:
  5. RTECS:
  6. HazardClass: N/A
  7. PackingGroup: N/A
  8. Hazardous Substances Data: 151867-52-6(Hazardous Substances Data)

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• 2H-CYCLOPENTA[B]FURAN-2-ONE,5-ACETYLHEXAHYDRO-,[3AR-(3AA,5SS,6AA)]-

  Cas No: 151867-52-6

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151867-52-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 151867-52-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,1,8,6 and 7 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 151867-52:
(8*1)+(7*5)+(6*1)+(5*8)+(4*6)+(3*7)+(2*5)+(1*2)=146
146 % 10 = 6
So 151867-52-6 is a valid CAS Registry Number.

151867-52-6Upstream product

• 151867-49-1 (1R,2S,5R)-(-)-2-Methylbicyclo<3.2.1>octan-3,6-dion 
• 151867-51-5 (3aR,5R,6aR,1'S)-(+)-5-(1-Hydroxyethyl)hexahydro-2H-cyclopenta--furan-2-on 

151867-52-6Downstream Products

151867-52-6Relevant articles and documents

Radical-Type Cyclization of Dienes, VI. - Substrate-Controlled Asymmetric Synthesis of (3aS,6aR)-(+)-3,3a,6,6a-Tetrahydro-2H-cyclopentafuran-2-one

Weinges, Klaus,Schwarz, Georg

, p. 811 - 814 (2007/10/02)

(R)-(-)-Carvone (1) was converted via straightforward reactions into 10-hydroxycarvone (4) which was cyclized to 5 via the mercury-mediated free-radical method.Periodate cleavage of 5 yields the bicyclic dione.Regio- and stereoselective reduction of 6 with lithium tri(tert-butyloxy)hydridoaluminate results in 7 (80percent yield). 7 was directly converted into γ-lactone 8 via Baeyer-Villiger oxidation.Saponification of 8 to 9, mesylation of 9 to 10 followed by elimination of methanesulfonic acid yield enantiomerically pure (3aS,6aR)-(+)-3,3a,6,6a-tetrahydro-2H-cyclopentafuran-2-one (11).The synthesis can be carried out with readily available, and economical, (S)-(+)-carvone to yield ent-11.Key Words: Cyclopentafuran-2-one, (2aS,6aR)-(+)-3,3a,6,6a-tetrahydro-2H- / Radicals / Cyclization / Carvone

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