(+-)-alpha-Pinene → (+)-Limonene

HRID 1171429Notes

Reaction equation

HRID 1171429 reaction equation
[Cl-].[Al+3].[Cl-].[Cl-].[CH3:5][C:6]1[CH:11]2[C:12]([CH3:14])([CH3:13])[CH:9]([CH2:10]2)[CH2:8][CH:7]=1.C=CC1C=CC=CC=1>>[CH3:5][C:6]1[CH2:11][CH2:10][C@@H:9]([C:12]([CH3:14])=[CH2:13])[CH2:8][CH:7]=1

Participants

4

Reactant 3

HCID 6654(+-)-alpha-PineneHCID 7501StyreneHCID 6451240Aluminum(III) Chloride

Product 1

HCID 440917(+)-LimoneneYield 58.1%

Procedure

Same procedure as that described in Comparative Example 1, except that 7.0 g of aluminum chloride and a blend of alpha pinene and styrene (60:40 weight ratio) were employed. The resulting resin had the following properties: s.p.=76.1° C., yield=58.1%, neat color=5 Gardner.

Workup

  1. custom=76.1° C., yield=58.1%, neat color=5 Gardner

Sources & evidence

ORD record
ord-7a824a699db040a58dbb92c42238d765
Source dataset
uspto-grants-2010_11
Patent number
US07829630B2

Reaction notes

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