Triethylamine → Triphenylsulfonium 2-(adamantane-1-carbonyloxy)-3,3,3-trifluoro-2-trifluoromethylpropane-1-sulfonate

HRID 2061312Notes

Reaction equation

HRID 2061312 reaction equation
[F:1][C:2]([F:15])([F:14])[C:3]([OH:13])([C:9]([F:12])([F:11])[F:10])[CH2:4][S:5]([O-:8])(=[O:7])=[O:6].[C:16]1([S+:22]([C:29]2[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=2)[C:23]2[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=2)[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=1.C(N(CC)CC)C.[C:42]12([C:52](Cl)=[O:53])[CH2:51][CH:46]3[CH2:47][CH:48]([CH2:50][CH:44]([CH2:45]3)[CH2:43]1)[CH2:49]2>CN(C)C1C=CN=CC=1.C(Cl)Cl>[C:42]12([C:52]([O:13][C:3]([C:2]([F:1])([F:14])[F:15])([C:9]([F:12])([F:10])[F:11])[CH2:4][S:5]([O-:8])(=[O:7])=[O:6])=[O:53])[CH2:49][CH:48]3[CH2:47][CH:46]([CH2:45][CH:44]([CH2:50]3)[CH2:43]1)[CH2:51]2.[C:29]1([S+:22]([C:16]2[CH:17]=[CH:18][CH:19]=[CH:20][CH:21]=2)[C:23]2[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=2)[CH:30]=[CH:31][CH:32]=[CH:33][CH:34]=1

Participants

6

Reactant 3

HCID 8471TriethylamineHCID 989151-Adamantanecarbonyl chlorideHCID 86644254Triphenylsulfonium 3,3,3-trifluoro-2-hydroxy-2-trifluoromethylpropane-1-sulfonate

Product 1

HCID 86644255Triphenylsulfonium 2-(adamantane-1-carbonyloxy)-3,3,3-trifluoro-2-trifluoromethylpropane-1-sulfonateYield 39%

Reagents, catalysts & solvents 2

HCID 142844-(Dimethylamino)pyridineCatalystHCID 6344DichloromethaneSolvent2×

Procedure

Into a mixture solution of 5.2 g (10 mmoles) of triphenylsulfonium 3,3,3-trifluoro-2-hydroxy-2-trifluoromethylpropane-1-sulfonate prepared in Synthesis Example 1-9, 1.1 g (11 mmoles) of triethylamine, 0.24 g (2 mmoles) of 4-dimethylaminopyridine, and 21 g of methylene chloride was added 5.5 g (11 mmoles) of a methylene chloride solution of adamantane-1-carbonyl chloride (40% by weight), and they were stirred at room temperature for 2 hours. Thereafter, the reaction was terminated by adding 12 g of 5% hydrochloric acid, and then the organic layer was separated, washed by water, and concentrated under reduced pressure. Into the concentrated solution was added methyl isobutyl ketone, and the resulted mixture was concentrated again under reduced pressure to distil the remaining water out. The obtained residue was washed by diisopropyl ether, and then dried to obtain the intended triphenylsulfonium 2-(adamantane-1-carbonyloxy)-3,3,3-trifluoro-2-trifluoromethylpropane-1-sulfonate (2.7 g of oily substance (yield 39%)). The structure of the intended product is shown below.

Workup

  1. customThereafter, the reaction was terminated
  2. additionby adding 12 g of 5% hydrochloric acid
  3. customthe organic layer was separated
  4. washwashed by water
  5. concentrationconcentrated under reduced pressure
  6. additionInto the concentrated solution was added methyl isobutyl ketone
  7. concentrationthe resulted mixture was concentrated again under reduced pressure
  8. customto distil the remaining water out
  9. washThe obtained residue was washed by diisopropyl ether
  10. customdried

Sources & evidence

ORD record
ord-3d827d9689634be8b98812b14d54265a
Source dataset
uspto-grants-2012_10
Patent number
US08283104B2

Reaction notes

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