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Hydrochloric Acid → {(S)-6-[(R)-4-Hydroxymethyl-5-trifluoromethyl-indan-1-yloxy]-2,3-dihydro-benzofuran-3-yl}-acetic acid methyl ester

HRID 1422629
Notes
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Reaction equation

HRID 1422629 reaction equation
[BH4-].[Na+].[CH3:3][O:4][C:5](=[O:32])[CH2:6][C@H:7]1[C:11]2[CH:12]=[CH:13][C:14]([O:16][C@H:17]3[C:25]4[C:20](=[C:21]([CH:30]=[O:31])[C:22]([C:26]([F:29])([F:28])[F:27])=[CH:23][CH:24]=4)[CH2:19][CH2:18]3)=[CH:15][C:10]=2[O:9][CH2:8]1.Cl>O1CCCC1.O>[CH3:3][O:4][C:5](=[O:32])[CH2:6][C@H:7]1[C:11]2[CH:12]=[CH:13][C:14]([O:16][C@H:17]3[C:25]4[C:20](=[C:21]([CH2:30][OH:31])[C:22]([C:26]([F:27])([F:28])[F:29])=[CH:23][CH:24]=4)[CH2:19][CH2:18]3)=[CH:15][C:10]=2[O:9][CH2:8]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 313Hydrochloric AcidHCID 4311764Sodium borohydrideHCID 86700810{(S)-6-[(R)-4-Formyl-5-trifluoromethyl-indan-1-yloxy]-2,3-dihydro-benzofuran-3-yl}-acetic acid methyl ester

Product 1

HCID 86700812{(S)-6-[(R)-4-Hydroxymethyl-5-trifluoromethyl-indan-1-yloxy]-2,3-dihydro-benzofuran-3-yl}-acetic acid methyl ester

Reagents, catalysts & solvents 2

HCID 962
Water
Solvent
HCID 8028TetrahydrofuranSolvent

Procedure

NaBH4 (18 mg) is added to a solution of {(S)-6-[(R)-4-formyl-5-trifluoromethyl-indan-1-yloxy]-2,3-dihydro-benzofuran-3-yl}-acetic acid methyl ester (0.20 g) in tetrahydrofuran (4 mL) and water (1 mL) at room temperature. The mixture is stirred at room temperature for 30 min. 1 N aqueous HCl solution is added and the mixture is extracted with ethyl acetate. The combined extract is washed with brine, dried (Na2SO4), and concentrated to give the title compound. The crude product is submitted to the next reaction step without further purification. LC (method 4): tR=1.09 min; Mass spectrum (ESI+): m/z=445 [M+Na]+.

Workup

  1. extractionthe mixture is extracted with ethyl acetate
  2. extractionThe combined extract
  3. washis washed with brine
  4. dry with materialdried (Na2SO4)
  5. concentrationconcentrated

Sources & evidence

ORD record
ord-601d424485034e6788ae862b1ecc84e4
Source dataset
uspto-grants-2015_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08927531B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes