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Hydrochloric Acid → (3RS,4RS)-7-hydroxy-3-(4-hydroxyphenyl)-3-methyl-4-(4-(3-(2-(4,4,5,5,5-pentafluoropentylthio)ethoxy)-(R)-2-hydroxypropyloxy)phenyl)chroman

HRID 1792360
Notes
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Reaction equation

HRID 1792360 reaction equation
COC[O:4][C:5]1[CH:14]=[C:13]2[C:8]([CH:9]([C:26]3[CH:31]=[CH:30][C:29]([O:32][CH2:33][C@H:34]([OH:50])[CH2:35][O:36][CH2:37][CH2:38][S:39][CH2:40][CH2:41][CH2:42][C:43]([F:49])([F:48])[C:44]([F:47])([F:46])[F:45])=[CH:28][CH:27]=3)[C:10]([C:16]3[CH:21]=[CH:20][C:19]([O:22]COC)=[CH:18][CH:17]=3)([CH3:15])[CH2:11][O:12]2)=[CH:7][CH:6]=1.Cl.O>CO>[OH:4][C:5]1[CH:14]=[C:13]2[C:8]([CH:9]([C:26]3[CH:27]=[CH:28][C:29]([O:32][CH2:33][C@H:34]([OH:50])[CH2:35][O:36][CH2:37][CH2:38][S:39][CH2:40][CH2:41][CH2:42][C:43]([F:49])([F:48])[C:44]([F:45])([F:46])[F:47])=[CH:30][CH:31]=3)[C:10]([C:16]3[CH:17]=[CH:18][C:19]([OH:22])=[CH:20][CH:21]=3)([CH3:15])[CH2:11][O:12]2)=[CH:7][CH:6]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 313Hydrochloric AcidHCID 962WaterHCID 205992647-methoxymethoxy-3-(4-methoxymethoxyphenyl)-3-methyl-4-(4-(3-(2-(4,4,5,5,5-pentafluoropentylthio)ethoxy)-(R)-2-hydroxypropyloxy)phenyl)chroman

Product 1

HCID 20599263(3RS,4RS)-7-hydroxy-3-(4-hydroxyphenyl)-3-methyl-4-(4-(3-(2-(4,4,5,5,5-pentafluoropentylthio)ethoxy)-(R)-2-hydroxypropyloxy)phenyl)chromanYield 68.3%

Reagents, catalysts & solvents

1
HCID 887MethanolSolvent

Conditions

Temperature
70 °C

Procedure

To a solution of 7-methoxymethoxy-3-(4-methoxymethoxyphenyl)-3-methyl-4-(4-(3-(2-(4,4,5,5,5-pentafluoropentylthio)ethoxy)-(R)-2-hydroxypropyloxy)phenyl)chroman (440 mg, 0.613 mmol) in methanol (9 ml) was added 6N HCl (3 ml) at room temperature, which was stirred for 40 minutes at 70° C. Water was added thereto, and the resulting solution was extracted with ethyl acetate. Then, the organic layer was washed with water and saturated sodium chloride solution, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The residue was subjected to flash chromatography on silica gel (n-hexane:ethyl acetate=3:2) to give the title compound (269 mg, yield 68%) as a white solid.

Workup

  1. extractionthe resulting solution was extracted with ethyl acetate
  2. washThen, the organic layer was washed with water and saturated sodium chloride solution
  3. dry with materialdried over anhydrous magnesium sulfate
  4. concentrationconcentrated under reduced pressure

Sources & evidence

ORD record
ord-3f9b9695d7a74cc08901aa116f018223
Source dataset
uspto-grants-2006_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07074819B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes