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O-(3-Methylsulfanyl-propyl)-hydroxylamine → 3,4-difluoro-2-(2-fluoro-4-iodoanilino)-N-(2-hydroxyethoxy)-5-[(E)-3-methylsulfanylpropoxyiminomethyl]benzamide

HRID 2038606
ノート
印刷プレビュー

反応式

HRID 2038606 の反応式
[F:1][C:2]1[C:3]([NH:18][C:19]2[CH:24]=[CH:23][C:22]([I:25])=[CH:21][C:20]=2[F:26])=[C:4]([CH:12]=[C:13]([CH:16]=O)[C:14]=1[F:15])[C:5]([NH:7][O:8][CH2:9][CH2:10][OH:11])=[O:6].[CH3:27][S:28][CH2:29][CH2:30][CH2:31][O:32][NH2:33]>C(Cl)Cl.CO>[F:1][C:2]1[C:3]([NH:18][C:19]2[CH:24]=[CH:23][C:22]([I:25])=[CH:21][C:20]=2[F:26])=[C:4]([CH:12]=[C:13](/[CH:16]=[N:33]/[O:32][CH2:31][CH2:30][CH2:29][S:28][CH3:27])[C:14]=1[F:15])[C:5]([NH:7][O:8][CH2:9][CH2:10][OH:11])=[O:6]
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 2

HCID 21114240O-(3-Methylsulfanyl-propyl)-hydroxylamineHCID 231323883,4-difluoro-2-(2-fluoro-4-iodo-phenylamino)-5-formyl-N-(2-hydroxy-ethoxy)-benzamide

生成物 1

HCID 593480253,4-difluoro-2-(2-fluoro-4-iodoanilino)-N-(2-hydroxyethoxy)-5-[(E)-3-methylsulfanylpropoxyiminomethyl]benzamide収率 96%

試薬・触媒・溶媒 2

HCID 887Methanol溶媒
HCID 6344
Dichloromethane
溶媒

実験手順

The title compound was obtained by a procedure similar to that in Step B of Example 9 using 3,4-difluoro-2-(2-fluoro-4-iodo-phenylamino)-5-formyl-N-(2-hydroxy-ethoxy)-benzamide obtained in Step F of Example 1 as a starting material and O-(3-methylsulfanyl-propyl)-hydroxylamine obtained in Step B as a reagent. Namely, 3,4-difluoro-2-(2-fluoro-4-iodo-phenylamino)-5-formyl-N-(2-hydroxy-ethoxy)-benzamide (76 mg, 0.158 mmol) was dissolved in a mixed solvent of methylene chloride (5 mL) and methanol (1 mL). O-(3-Methylsulfanyl-propyl)-hydroxylamine (100 μL) was added thereto, and the mixture was stirred at room temperature for 3 hours. After completion of the reaction, the solvent was evaporated under reduced pressure to give a pale yellow crude product. The residue was triturated with a proper amount of ethyl acetate:hexane (1:9) to give (E)-3,4-difluoro-2-(2-fluoro-4-iodo-phenylamino)-N-(2-hydroxy-ethoxy)-5-[(3-methylsulfanyl-propoxyimino)-methyl]-benzamide (88.8 mg, 96%) as a white solid.

後処理

  1. customAfter completion of the reaction
  2. customthe solvent was evaporated under reduced pressure
  3. customto give a pale yellow crude product
  4. customThe residue was triturated with a proper amount of ethyl acetate:hexane (1:9)

出典と根拠

ORDレコード
ord-0d5e56fc8d9a40d38c75d2f1a34d43e1
出典データセット
uspto-grants-2013_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08575391B2

反応ノート

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