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Peracetic Acid → 2,6,6-Trimethyl-1-[1-hydroxy-3-butenyl]-1,2-epoxycyclohexane

HRID 1448883
Notes
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Reaction equation

HRID 1448883 reaction equation
C(OO)(=[O:3])C.C([O-])(=O)C.[Na+].[CH3:11][C:12]1[CH2:17][CH2:16][CH2:15][C:14]([CH3:19])([CH3:18])[C:13]=1[CH:20]([OH:24])[CH2:21][CH:22]=[CH2:23].C([O-])([O-])=O.[Na+].[Na+]>O.C(Cl)Cl>[CH3:11][C:12]12[O:3][C:13]1([CH:20]([OH:24])[CH2:21][CH:22]=[CH2:23])[C:14]([CH3:18])([CH3:19])[CH2:15][CH2:16][CH2:17]2
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 6585Peracetic AcidHCID 10340Sodium CarbonateHCID 517045Sodium Acetate2×HCID 124203212,6,6-Trimethyl-1-(1-hydroxy-3-butenyl)-1-cyclohexene

Product 1

HCID 144665862,6,6-Trimethyl-1-[1-hydroxy-3-butenyl]-1,2-epoxycyclohexane

Reagents, catalysts & solvents 2

HCID 962
Water
Solvent
HCID 6344DichloromethaneSolvent

Procedure

A mixture of 40% peracetic acid (105 g.) and anhydrous sodium acetate (3.0 g.) was added at 25° with stirring to a suspension of 2,6,6-trimethyl-1-[1-hydroxy-3-butenyl]-1-cyclohexene (97 g.) and anhyd. sodium acetate (60 g.) in 175 ml. of CH2Cl2 (1.5 h.). Stirring was continued for one night and 500 ml. of water were then added to the reaction mixture. The organic layer was separated and, after the usual treatments, distilled to give 98 g. (83%) of two diastereoisomers of the epoxy product.

Workup

  1. additionwas added at 25°
  2. waitwas continued for one night
  3. customThe organic layer was separated
  4. distillationafter the usual treatments, distilled
  5. customto give 98 g

Sources & evidence

ORD record
ord-af9857c3c81e474b842cdb92d41167ed
Source dataset
uspto-grants-1980_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US04187863

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes