Trifluoroacetic acid → Trifluoroacetic acid

HRID 2168151Notes

Reaction equation

HRID 2168151 reaction equation
[OH:1][C:2]1([CH3:17])[CH2:7][CH2:6][CH:5]([CH2:8][NH:9]C(=O)OC(C)(C)C)[CH2:4][CH2:3]1.[F:18][C:19]([F:24])([F:23])[C:20]([OH:22])=[O:21]>ClCCl.O>[NH2:9][CH2:8][CH:5]1[CH2:6][CH2:7][C:2]([CH3:17])([OH:1])[CH2:3][CH2:4]1.[F:18][C:19]([F:24])([F:23])[C:20]([OH:22])=[O:21]

Participants

6

Reactant 2

HCID 6422Trifluoroacetic acid2×HCID 86647903HCID 86647903, compound

Product 2

HCID 6422Trifluoroacetic acidHCID 13574691HCID 13574691, compound

Reagents, catalysts & solvents 2

HCID 962WaterCatalystHCID 6344DichloromethaneSolvent

Procedure

To a solution of EXAMPLE 376A (0.75 g) in dichloromethane (3 mL) was added a few drops of water followed by trifluoroacetic acid (1.19 mL) and the reaction stirred at room temperature. After stirring for 2 h added additional trifluoroacetic acid (0.5 mL). After an additional 4 h the reaction was concentrated and dried under high vacuum. The resulting oily solid was triturated with diethyl ether with sonication. Filtration and washing with diethyl ether gave the title compound as a trifluoroacetic acid salt and a mixture of cis and trans isomers.

Workup

  1. stirringAfter stirring for 2 h
  2. concentrationAfter an additional 4 h the reaction was concentrated
  3. customdried under high vacuum
  4. customThe resulting oily solid was triturated with diethyl ether with sonication
  5. filtrationFiltration
  6. washwashing with diethyl ether

Sources & evidence

ORD record
ord-7a0d19210a3f4d84aca0b7c22d606e71
Source dataset
uspto-grants-2015_06
Patent number
US09045475B2

Reaction notes

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