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tert-Butyl methyl ether → Tert-butyl 2,2-dimethyl-4-[cis-3-(5-methyl-2-p-tolyloxazol-4-ylmethoxy)cyclohexyl]butyrate

HRID 854671
ノート
印刷プレビュー

反応式

HRID 854671 の反応式
[OH:1][C@@H:2]1[CH2:7][CH2:6][CH2:5][C@H:4]([CH2:8][CH2:9][C:10]([CH3:19])([CH3:18])[C:11]([O:13][C:14]([CH3:17])([CH3:16])[CH3:15])=[O:12])[CH2:3]1.I[CH2:21][C:22]1[N:23]=[C:24]([C:28]2[CH:33]=[CH:32][C:31]([CH3:34])=[CH:30][CH:29]=2)[O:25][C:26]=1[CH3:27].[H-].[Na+].C(OC)(C)(C)C>CN(C)C=O>[CH3:18][C:10]([CH3:19])([CH2:9][CH2:8][C@H:4]1[CH2:5][CH2:6][CH2:7][C@@H:2]([O:1][CH2:21][C:22]2[N:23]=[C:24]([C:28]3[CH:33]=[CH:32][C:31]([CH3:34])=[CH:30][CH:29]=3)[O:25][C:26]=2[CH3:27])[CH2:3]1)[C:11]([O:13][C:14]([CH3:17])([CH3:16])[CH3:15])=[O:12]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 15413tert-Butyl methyl etherHCID 24758Sodium hydrideHCID 219803112-(4-Methylphenyl)-4-iodomethyl-5-methyloxazoleHCID 69244301Tert-butyl 4-(cis-3-hydroxycyclohexyl)-2,2-dimethylbutyrate

生成物 1

HCID 69244352Tert-butyl 2,2-dimethyl-4-[cis-3-(5-methyl-2-p-tolyloxazol-4-ylmethoxy)cyclohexyl]butyrate

試薬・触媒・溶媒 1

HCID 6228
Dimethylformamide
溶媒

実験手順

365 mg of tert-butyl 4-(cis-3-hydroxycyclohexyl)-2,2-dimethylbutyrate are, together with 850 mg of 4-iodomethyl-5-methyl-2-(4 methylphenyl)oxazole, dissolved in 5 ml of dimethylformamide, and 110 mg of sodium hydride (60% strength in paraffin) are added. After 1 hour of stirring at room temperature, 100 ml of methyl tert-butyl ether are added and the reaction mixture is washed three times with water. The organic phase is dried over MgSO4 and the solvent is then removed under reduced pressure. The residue is purified by RP-HPLC. This gives 330 mg of tert-butyl 2,2-dimethyl-4-[cis-3-(5-methyl-2-p-tolyloxazol-4-ylmethoxy)cyclohexyl]butyrate as a white solid. C28H41NO4 (455.64), MS(ESI): 456 (M+H+).

後処理

  1. washthe reaction mixture is washed three times with water
  2. dry with materialThe organic phase is dried over MgSO4
  3. customthe solvent is then removed under reduced pressure
  4. customThe residue is purified by RP-HPLC

出典と根拠

ORDレコード
ord-01f2fd27367148969257483291a1044d
出典データセット
uspto-grants-2007_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07259177B2

反応ノート

読み込み中…

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