Diisopropylethylamine → 3-{4-[(6-{Benzyl[(2R)-2-(2,2-dimethyl-4H-1,3-benzodioxin-6-yl)-2-hydroxyethyl]amino}hexyl)oxy]butyl}benzenesulfonamide

HRID 2118303Notes

Reaction equation

HRID 2118303 reaction equation
Br[CH2:2][CH2:3][CH2:4][CH2:5][CH2:6][CH2:7][O:8][CH2:9][CH2:10][CH2:11][CH2:12][C:13]1[CH:14]=[C:15]([S:19]([NH2:22])(=[O:21])=[O:20])[CH:16]=[CH:17][CH:18]=1.[CH2:23]([NH:30][CH2:31][C@@H:32]([C:34]1[CH:45]=[CH:44][C:37]2[O:38][C:39]([CH3:43])([CH3:42])[O:40][CH2:41][C:36]=2[CH:35]=1)[OH:33])[C:24]1[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=1.C(N(C(C)C)CC)(C)C>C(#N)C.C(OCC)C>[CH2:23]([N:30]([CH2:31][C@@H:32]([C:34]1[CH:45]=[CH:44][C:37]2[O:38][C:39]([CH3:42])([CH3:43])[O:40][CH2:41][C:36]=2[CH:35]=1)[OH:33])[CH2:2][CH2:3][CH2:4][CH2:5][CH2:6][CH2:7][O:8][CH2:9][CH2:10][CH2:11][CH2:12][C:13]1[CH:14]=[C:15]([S:19]([NH2:22])(=[O:21])=[O:20])[CH:16]=[CH:17][CH:18]=1)[C:24]1[CH:25]=[CH:26][CH:27]=[CH:28][CH:29]=1

Participants

6

Reactant 3

HCID 81531DiisopropylethylamineHCID 21895438Benzenesulfonamide, 3-[4-[(6-bromohexyl)oxy]butyl]-HCID 69196697(1R)-2-(benzylamino)-1-(2,2-dimethyl-4H-1,3-benzodioxin-6-yl)ethanol

Product 1

HCID 691986253-{4-[(6-{Benzyl[(2R)-2-(2,2-dimethyl-4H-1,3-benzodioxin-6-yl)-2-hydroxyethyl]amino}hexyl)oxy]butyl}benzenesulfonamideYield 113.1%

Reagents, catalysts & solvents 2

HCID 3283Diethyl EtherSolventHCID 6342AcetonitrileSolvent

Procedure

A stirred mixture of 3-{4-[(6-bromohexyl)oxy]butyl}benzenesulfonamide (11.1 g), (1R)-2-(benzylamino)-1-(2,2-dimethyl-4H-1,3-benzodioxin-6-yl)ethanol (9 g) and diisopropyl ethylamine (8.9 ml) in acetonitrile (28 ml) was heated at reflux for 18 h. The resulting mixture was cooled to room temperature, diluted with diethyl ether (250 ml) and washed with water (2×100 ml) and brine (100 ml) before being dried over anhydrous Na2SO4. The suspension was filtered and concentrated under reduced pressure to give the title compound (20 g) as an oil. LC RT=4.68 min, δ (CDCl3) 7.70 (2H, m), 7.38 (2H, m), 7.29 (5H, m), 7.02 (1H, d, J 8.3 Hz), 6.91 (1H, s), 6.73 (1H, d, J 8.3 Hz), 4.79 (2H, s), 4.53 (1H, m), 3.87 (1H, m), 3.40 (5H, m), 2.69 (2H, t, J 7.2 Hz), 2.54 (2H, m), 2.43 (2H, m), 1.70 (2H, m), 1.60 (2H, m), 1.51 (10H, m), 1.25 (4H, m)

Workup

  1. temperaturewas heated
  2. temperatureat reflux for 18 h
  3. washwashed with water (2×100 ml) and brine (100 ml)
  4. dry with materialbefore being dried over anhydrous Na2SO4
  5. filtrationThe suspension was filtered
  6. concentrationconcentrated under reduced pressure

Sources & evidence

ORD record
ord-8e2dd0b8b0944fd4834532cedca4cabb
Source dataset
uspto-grants-2008_10
Patent number
US07442837B2

Reaction notes

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