Tributylstannane → 5-Methyl-2-[3-[4-(2-methyl-tetrazol-5-yl)-2,6-dimethylphenoxy]-propyl]-1,2,4-triazole

HRID 741658ノート

反応式

HRID 741658 の反応式
O(C(O[CH2:11][C:12]1[N:13]=[CH:14][N:15]([CH2:17][CH2:18][CH2:19][O:20][C:21]2[C:26]([CH3:27])=[CH:25][C:24]([C:28]3[N:29]=[N:30][N:31]([CH3:33])[N:32]=3)=[CH:23][C:22]=2[CH3:34])[N:16]=1)=S)C1C=CC=CC=1.CC(N=NC(C#N)(C)C)(C#N)C.C([SnH](CCCC)CCCC)CCC>C1(C)C=CC=CC=1>[CH3:11][C:12]1[N:13]=[CH:14][N:15]([CH2:17][CH2:18][CH2:19][O:20][C:21]2[C:22]([CH3:34])=[CH:23][C:24]([C:28]3[N:29]=[N:30][N:31]([CH3:33])[N:32]=3)=[CH:25][C:26]=2[CH3:27])[N:16]=1

参加物

5

反応物 3

HCID 5948TributylstannaneHCID 6547AzobisisobutyronitrileHCID 538731505-Phenoxythiocarbonyloxymethyl-2-[3-[4-(2-methyl-tetrazol-5-yl)-2,6-dimethylphenoxy]-propyl]-1,2,4-triazole

生成物 1

HCID 221034055-Methyl-2-[3-[4-(2-methyl-tetrazol-5-yl)-2,6-dimethylphenoxy]-propyl]-1,2,4-triazole収率 54.9%

試薬・触媒・溶媒 1

HCID 1140Toluene溶媒

反応条件

温度
75 °C

実験手順

To a solution of 5-phenoxythiocarbonyloxymethyl-2-[3-[4-(2-methyl-tetrazol-5-yl)-2,6-dimethylphenoxy]-propyl]-1,2,4-triazole (130 mg, 0.79 mmol) in 20 ml of toluene was added AIBN (130 mg, 0.79 mmol) and tributyltin hydride (3.2 g, 11 mmol) and the mixture was stirred at 75° C. for 6.5 h. The solvent was concentrated in vacuo and the residue was purified by silica column chromatography (10 cm column, ethyl acetate/hexane, 1/1-5/1; methylene chloride/acetone, 4/1-0/1) to afford 142 mg (43%) of 5-methyl-2-[3-[4-(2-methyl-tetrazol-5-yl)-2,6-dimethylphenoxy]-propyl]-1,2,4-triazole, m.p. 101°-103° C.

後処理

  1. concentrationThe solvent was concentrated in vacuo
  2. customthe residue was purified by silica column chromatography (10 cm column, ethyl acetate/hexane, 1/1-5/1; methylene chloride/acetone, 4/1-0/1)

出典と根拠

ORDレコード
ord-f38c45dcd494452eba67b68ee8e37b0e
出典データセット
uspto-grants-1996_09
特許番号
US05552420

反応ノート

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