Sodium Hydroxide → 3,4-Dihydro-2H-1,4-benzoxazine

HRID 35178

反応式

HRID 35178 の反応式
O=[C:2]1[NH:7][C:6]2[CH:8]=[CH:9][CH:10]=[CH:11][C:5]=2[O:4][CH2:3]1.B#B.[OH-].[Na+]>O1CCCC1>[O:4]1[C:5]2[CH:11]=[CH:10][CH:9]=[CH:8][C:6]=2[NH:7][CH2:2][CH2:3]1

参加物

5

反応物 3

HCID 14798Sodium HydroxideHCID 727572H-1,4-benzoxazin-3(4H)-oneHCID 6328200Diboron

生成物 1

HCID 5850963,4-Dihydro-2H-1,4-benzoxazine

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

実験手順

3,4-Dihydro-3-oxo-1,4(2H)-benzoxazine was refluxed for several hours in one equivalent of diborane in tetrahydrofuran. Excess sodium hydroxide solution was added, the product was extracted with ether and the solvent was evaporated to give the title compound as an oil.

後処理

  1. extractionthe product was extracted with ether
  2. customthe solvent was evaporated

出典と根拠

ORDレコード
ord-4e559cf6b812488bb588a627a636cd16
出典データセット
uspto-grants-1988_08
特許番号
US04766118

関連ノート

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