Triethylamine → tert-butyl (3R,5E)-3-({[(1s)-2,2-dimethyl-1-({[(1R)-1-phenylethyl]amino}carbonyl)propyl]amino}carbonyl)-6-(3-methyl-4-phenoxyphenyl)hex-5-enoate

HRID 1700977ノート

反応式

HRID 1700977 の反応式
CC1C=CC=CC=1P(C1C=CC=CC=1C)C1C=CC=CC=1C.[CH3:23][C:24]([CH3:53])([CH3:52])[C@H:25]([NH:37][C:38]([C@H:40]([CH2:49][CH:50]=[CH2:51])[CH2:41][C:42]([O:44][C:45]([CH3:48])([CH3:47])[CH3:46])=[O:43])=[O:39])[C:26]([NH:28][C@@H:29]([C:31]1[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=1)[CH3:30])=[O:27].I[C:55]1[CH:60]=[CH:59][C:58]([O:61][C:62]2[CH:67]=[CH:66][CH:65]=[CH:64][CH:63]=2)=[C:57]([CH3:68])[CH:56]=1.C(N(CC)CC)C>C(#N)C.C([O-])(=O)C.[Pd+2].C([O-])(=O)C>[CH3:53][C:24]([CH3:52])([CH3:23])[C@H:25]([NH:37][C:38]([C@H:40]([CH2:49]/[CH:50]=[CH:51]/[C:55]1[CH:60]=[CH:59][C:58]([O:61][C:62]2[CH:67]=[CH:66][CH:65]=[CH:64][CH:63]=2)=[C:57]([CH3:68])[CH:56]=1)[CH2:41][C:42]([O:44][C:45]([CH3:48])([CH3:47])[CH3:46])=[O:43])=[O:39])[C:26]([NH:28][C@@H:29]([C:31]1[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=1)[CH3:30])=[O:27]

参加物

7

反応物 4

HCID 8471TriethylamineHCID 80271Tri-o-tolylphosphineHCID 183192191-Iodo-3-methyl-4-phenoxybenzeneHCID 54508002tert-butyl (3R)-3-({[(1S)-2,2-dimethyl-1-({[(1R)-1-phenylethyl]amino}carbonyl)propyl]amino}carbonyl)hex-5-enoate

生成物 1

HCID 59875764tert-butyl (3R,5E)-3-({[(1s)-2,2-dimethyl-1-({[(1R)-1-phenylethyl]amino}carbonyl)propyl]amino}carbonyl)-6-(3-methyl-4-phenoxyphenyl)hex-5-enoate収率 81.6%

試薬・触媒・溶媒 2

HCID 167845palladium(II) acetate触媒HCID 6342Acetonitrile溶媒

実験手順

A mixture of palladium acetate (20 mg, 0.08 mmol) and tri-(2-methylphenyl)phosphine (50 mg, 0.16 mmol) was added to a stirred solution of tert-butyl (3R)-3-({[(1S)-2,2-dimethyl-1-({[(1R)-1-phenylethyl]amino}carbonyl)propyl]amino}carbonyl)hex-5-enoate (Preparation 2)(578 mg, 1.23 mmol), 1-iodo-3-methyl-4-phenoxybenzene (Preparation 11)(384 mg, 1.35 mmol), and triethylamine (300 μL, 2.14 mmol) in anhydrous acetonitrile (3 mL) under nitrogen. The mixture was purged with nitrogen, then heated at reflux for 24 h. After being cooled, the mixture was poured into ethyl acetate (100 mL) and washed with saturated aqueous sodium chloride (2×50 mL), dried (MgSO4), and concentrated under reduced pressure. The residue was purified by flash chromatography (eluting with hexane:ethyl acetate=9:1 and then 4:1) to give mainly tert-butyl (3R,5E)-3-({[(1S)-2,2-dimethyl-1-({ [(1R)-1-phenylethyl]amino}carbonyl)propyl]amino}carbonyl)-6-(3-methyl-4-phenoxyphenyl)hex-5-enoate as an orange foam (615 mg). 1H nmr suggested that two alkene isomers, the (5Z) and (4E), together with the alkene starting material (10%) were also present. The mixture of alkenes was taken onto the next step (see b, below).

後処理

  1. customThe mixture was purged with nitrogen
  2. temperatureheated
  3. temperatureat reflux for 24 h
  4. temperatureAfter being cooled
  5. additionthe mixture was poured into ethyl acetate (100 mL)
  6. washwashed with saturated aqueous sodium chloride (2×50 mL)
  7. dry with materialdried (MgSO4)
  8. concentrationconcentrated under reduced pressure
  9. customThe residue was purified by flash chromatography (
  10. washeluting with hexane

出典と根拠

ORDレコード
ord-b146d287a6ae4cbe8c544fb7f768562f
出典データセット
uspto-grants-2002_02
特許番号
US06350907B1

反応ノート

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