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Methanol → HCID 66673635, compound

HRID 870270
Notes
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Reaction equation

HRID 870270 reaction equation
[CH3:1][O:2][C:3](=[O:16])[C@@H:4]([CH2:9][CH:10]1[CH2:15][CH2:14][CH2:13][CH2:12][CH2:11]1)[CH2:5][C:6](O)=[O:7].B.CO>O1CCCC1>[CH3:1][O:2][C:3](=[O:16])[C@@H:4]([CH2:9][CH:10]1[CH2:11][CH2:12][CH2:13][CH2:14][CH2:15]1)[CH2:5][CH2:6][OH:7]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 887MethanolHCID 6331BoraneHCID 22831490(S)-2-(Cyclohexylmethyl)succinic acid-1-methyl ester

Product 1

HCID 66673635HCID 66673635, compoundYield 99.9%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent2×

Procedure

A mixture of (S)-2-cyclohexylmethyl-succinic acid 1-methyl ester (60.0 g, 263 mmol) and tetrahydrofuran (600 mL) was stirred at room temperature and then cooled to −5° C. over 30 min. To the reaction mixture was added 1.0 M borane in tetrahydrofuran (520 mL) dropwise over 45 min, keeping the internal temperature below 0° C. To the reaction mixture was added MeOH (100 mL) dropwise to quench the reaction. The reaction mixture was concentrated to about 100 mL by rotary evaporation. (Trifluoromethyl)benzene (200 mL) was added and volume was reduced to 25 mL by rotary evaporation. (Trifluoromethyl)benzene (100 mL) was added to the resulting thick oil and the volume was reduced to ˜25 mL to provide crude title product (56.3 g).

Workup

  1. temperaturecooled to −5° C. over 30 min
  2. customthe internal temperature below 0° C
  3. customto quench
  4. customthe reaction
  5. concentrationThe reaction mixture was concentrated to about 100 mL by rotary evaporation
  6. addition(Trifluoromethyl)benzene (200 mL) was added
  7. customvolume was reduced to 25 mL by rotary evaporation
  8. addition(Trifluoromethyl)benzene (100 mL) was added to the resulting thick oil

Sources & evidence

ORD record
ord-87b8b791e23c46979899c4225f88986d
Source dataset
uspto-grants-2015_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08969370B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes