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Ethanethiol → ethyl ((1S)-5-{3-[2-hydroxy-4-(4,5,6,7-tetrahydro-1,3-benzothiazol-2yl)phenoxy]propoxy}-2,3-dihydro-1H-inden-1-yl)acetate

HRID 2235899
Notes
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Reaction equation

HRID 2235899 reaction equation
C[O:2][C:3]1[CH:28]=[C:27]([C:29]2[S:30][C:31]3[CH2:37][CH2:36][CH2:35][CH2:34][C:32]=3[N:33]=2)[CH:26]=[CH:25][C:4]=1[O:5][CH2:6][CH2:7][CH2:8][O:9][C:10]1[CH:11]=[C:12]2[C:16](=[CH:17][CH:18]=1)[C@H:15]([CH2:19][C:20]([O:22][CH2:23][CH3:24])=[O:21])[CH2:14][CH2:13]2.[Al+3].[Cl-].[Cl-].[Cl-].C(S)C>C(Cl)Cl>[OH:2][C:3]1[CH:28]=[C:27]([C:29]2[S:30][C:31]3[CH2:37][CH2:36][CH2:35][CH2:34][C:32]=3[N:33]=2)[CH:26]=[CH:25][C:4]=1[O:5][CH2:6][CH2:7][CH2:8][O:9][C:10]1[CH:11]=[C:12]2[C:16](=[CH:17][CH:18]=1)[C@H:15]([CH2:19][C:20]([O:22][CH2:23][CH3:24])=[O:21])[CH2:14][CH2:13]2
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 6343EthanethiolHCID 6451240Aluminum(III) ChlorideHCID 16110464ethyl ((1S)-5-{3-[2-methoxy-4-(4,5,6,7-tetrahydro-1,3-benzothiazol-2-yl)phenoxy]propoxy}-2,3-dihydro-1H-inden-1-yl)acetate

Product 1

HCID 59300497ethyl ((1S)-5-{3-[2-hydroxy-4-(4,5,6,7-tetrahydro-1,3-benzothiazol-2yl)phenoxy]propoxy}-2,3-dihydro-1H-inden-1-yl)acetateYield 46%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Conditions

Temperature
0 °C

Procedure

To a solution of ethyl ((1S)-5-{3-[2-methoxy-4-(4,5,6,7-tetrahydro-1,3-benzothiazol-2-yl)phenoxy]propoxy}-2,3-dihydro-1H-inden-1-yl)acetate (Example 164, 400 mg, 0.787 mmol) dissolved in CH2Cl2 (10 mL) was added AlCl3 (511.2 mg, 3.834 mmol), and then the solution was cooled to 0° C. Ethanethiol (0.284 mL, 3.834 mmol) was added dropwise to the solution which was stirred at 0° C. for 3 h. The reaction mixture was poured onto ice-water (20 mL) with vigorous stirring. The organic layer was separated and the aqueous layer was extracted with CH2Cl2. The combined organic layers were dried (MgSO4), filtered, and concentrated under reduced pressure. The crude material was purified by preparative HPLC, giving the desired product as a white solid (180.0 mg, 46%). 1H NMR (400 MHz, DMSO-d6): δ 9.27 (s, 1H), 7.28 (d, 1H), 7.20 (dd, 1H), 7.05 (d, 1H), 6.96 (d, 1H), 6.79 (s, 1H), 6.69 (dd, 1H), 4.07-4.18 (m, 6H), 3.39 (m, 1H), 2.72 (dd, 6H), 2.09-2.20 (m, 5H), 1.80-1.59 (m, 5H), 1.18 (t, 3H).

Workup

  1. additionThe reaction mixture was poured onto ice-water (20 mL) with vigorous stirring
  2. customThe organic layer was separated
  3. extractionthe aqueous layer was extracted with CH2Cl2
  4. dry with materialThe combined organic layers were dried (MgSO4)
  5. filtrationfiltered
  6. concentrationconcentrated under reduced pressure
  7. customThe crude material was purified by preparative HPLC

Sources & evidence

ORD record
ord-cf59aa59bc9d4ac1859cb3b0841a96d8
Source dataset
uspto-grants-2010_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07714004B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes