Sodium borohydride → 6-(Hydroxymethyl)-3-methyl-1-(2-methylpropyl)-5-(2-thienylmethyl)-thieno[2,3-d]pyrimidine-2,4(1h,3h)-dione

HRID 379596ノート

反応式

HRID 379596 の反応式
[BH4-].[Na+].[CH3:3][N:4]1[C:9](=[O:10])[C:8]2[C:11](SC3SC=CC=3)=[C:12]([CH:14]=[O:15])[S:13][C:7]=2[N:6]([CH2:22][CH:23]([CH3:25])[CH3:24])[C:5]1=[O:26]>CO.O>[OH:15][CH2:14][C:12]1[S:13][C:7]2[N:6]([CH2:22][CH:23]([CH3:24])[CH3:25])[C:5](=[O:26])[N:4]([CH3:3])[C:9](=[O:10])[C:8]=2[C:11]=1[CH2:14][C:12]1[S:13][CH:7]=[CH:8][CH:11]=1

参加物

5

反応物 2

HCID 4311764Sodium borohydrideHCID 183665901,2,3,4-Tetrahydro-3-methyl-1-(2-methylpropyl)-2,4-dioxo-5-(thien-2-ylthio)-thieno[2,3-d]pyrimidine-6-carboxaldehyde

生成物 1

HCID 183665956-(Hydroxymethyl)-3-methyl-1-(2-methylpropyl)-5-(2-thienylmethyl)-thieno[2,3-d]pyrimidine-2,4(1h,3h)-dione収率 104.4%

試薬・触媒・溶媒 2

HCID 887Methanol溶媒HCID 962Water溶媒

実験手順

Sodium borohydride (0.06 g) was added to 1,2,3,4-tetrahydro-3-methyl-1-(2-methylpropyl)-2,4-dioxo-5-(2-thienylthio)-thieno[2,3-d]pyrimidine-6-carboxaldehyde (0.25 g) in methanol (25 ml) and the mixture was stirred for 24 hours. The reaction was diluted with water (30 ml) and was then extracted with ethyl acetate (3×50 ml). The organic phases were washed with brine and dried over magnesium sulfate, filtered and evaporated to leave a green oil. Purification by chromatography (1:4 ethyl acetate:isohexane) gave the subtitle compound as a yellow foam (0.125 g).

後処理

  1. extractionwas then extracted with ethyl acetate (3×50 ml)
  2. washThe organic phases were washed with brine
  3. dry with materialdried over magnesium sulfate
  4. filtrationfiltered
  5. customevaporated
  6. customto leave a green oil
  7. customPurification by chromatography (1:4 ethyl acetate:isohexane)

出典と根拠

ORDレコード
ord-4345ed6075214854b0da1b7f053b2cf0
出典データセット
uspto-grants-2001_10
特許番号
US06300334B1

反応ノート

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