Phosphorus pentachloride → N-(4-bromophenyl)-2-chloro-6-fluorobenzenecarbohydrazonoyl chloride

HRID 508711

反応式

HRID 508711 の反応式
[Br:1][C:2]1[CH:7]=[CH:6][C:5]([NH:8]/[N:9]=[CH:10]/[C:11]2[C:16]([F:17])=[CH:15][CH:14]=[CH:13][C:12]=2[Cl:18])=[CH:4][CH:3]=1.P(Cl)(Cl)(Cl)(Cl)[Cl:20]>C1C=CC=CC=1>[Br:1][C:2]1[CH:3]=[CH:4][C:5]([NH:8][N:9]=[C:10]([Cl:20])[C:11]2[C:16]([F:17])=[CH:15][CH:14]=[CH:13][C:12]=2[Cl:18])=[CH:6][CH:7]=1

参加物

4

反応物 2

HCID 24819Phosphorus pentachlorideHCID 900336584-bromo-N-[(E)-(2-chloro-6-fluorophenyl)methylideneamino]aniline

生成物 1

HCID 131733232N-(4-bromophenyl)-2-chloro-6-fluorobenzenecarbohydrazonoyl chloride収率 23%

試薬・触媒・溶媒 1

HCID 241Benzene溶媒

実験手順

To a solution of (2E)-1-(4-bromophenyl)-2-(2-chloro-6-fluorobenzylidene)hydrazine (0.300 g, 1.32 mmol) in benzene (10 mL) was added PCl5 (0.330 g, 1.58 mmol). The reaction mixture was stirred at RT for 18 h. The reaction mass was quenched in water, neutralized with NaHCO3 and extracted with ethyl acetate. The organic layer was dried over anhydrous sodium sulphate and concentrated to afford 0.110 g of the desired product. 1H NMR (300 MHz, DMSO d6): δ 7.17 (d, J=8.7 Hz, 2H), 7.41 (d, J=8.7 Hz, 3H), 7.45-7.61 (m, 2H), 10.26 (s, 1H). MS (m/z): 361.34 (M−H)−.

後処理

  1. customThe reaction mass was quenched in water
  2. extractionextracted with ethyl acetate
  3. dry with materialThe organic layer was dried over anhydrous sodium sulphate
  4. concentrationconcentrated

出典と根拠

ORDレコード
ord-5b2edc6d26a5453f91b3692a8370b870
出典データセット
uspto-grants-2015_08
特許番号
US09096545B2

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