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Hydrochloric Acid → HCID 178464667、化合物

HRID 2273985
ノート
印刷プレビュー

反応式

HRID 2273985 の反応式
Cl.[CH2:2]([NH:4][C:5]([N:7]1[CH2:11][C:10]([CH3:13])([CH3:12])[CH:9]=[N:8]1)=[NH:6])[CH3:3].CCN(P1(N(C)CCCN1C)=NC(C)(C)C)CC.[Br:32][C:33]1[CH:34]=[C:35]([S:46](Cl)(=[O:48])=[O:47])[CH:36]=[CH:37][C:38]=1[NH:39][C:40](=[O:45])[C:41]([F:44])([F:43])[F:42].Cl>C1COCC1>[Br:32][C:33]1[CH:34]=[C:35]([S:46](=[O:48])(=[O:47])[N:6]=[C:5]([N:7]2[CH2:11][C:10]([CH3:12])([CH3:13])[CH:9]=[N:8]2)[NH:4][CH2:2][CH3:3])[CH:36]=[CH:37][C:38]=1[NH:39][C:40](=[O:45])[C:41]([F:43])([F:44])[F:42]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 313Hydrochloric AcidHCID 35138512-((1,1-Dimethylethyl)imino)-N,N-diethylhexahydro-1,3-dimethyl-2lambda5-1,3,2-diazaphosphorin-2-amineHCID 581587063-Bromo-4-(2,2,2-trifluoroacetamido)benzene-1-sulfonyl chlorideHCID 178464603HCID 178464603、化合物

生成物 1

HCID 178464667HCID 178464667、化合物収率 78.4%

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

実験手順

To a solution of 1.20 g N-ethyl-4,4-dimethyl-4,5-dihydro-pyrazole-1-carboxamidine hydrochloride in 35 mL dry THF was added 5.1 mL (3.0 equiv.) BEMP and the reaction mixture was stirred for 10 minutes at room temperature. 2.15 g (1.0 equiv.) 3-Bromo-4-(2,2,2-trifluoro-acetylamino)-benzenesulfonyl chloride was added in one portion and the resulting bright yellow solution was stirred overnight at room temperature. The reaction mixture was acidified with 1N HCl and extracted twice with EA. The combined organic layers were dried over Na2SO4, filtered and evaporated under reduced pressure. Purification by flash chromatography (Et2O/PA 1:1→Et2O) afforded 2.29 g (78%) of product. 1H NMR (400 MHz, CDCl3) δ 1.18 (t, J=7.3 Hz, 3H), 1.24 (s, 6H), 3.43-3.51 (m, 2H), 3.79 (br.s, 2H), 6.78 (s, 1H), 7.93 (dd, J=8.6, 2.0 Hz, 1H), 8.19 (d, J=2.0 Hz, 1H), 8.39 (d, J=8.6 Hz, 1H), 8.61 (br.s., 1H).

後処理

  1. stirringthe resulting bright yellow solution was stirred overnight at room temperature
  2. extractionextracted twice with EA
  3. dry with materialThe combined organic layers were dried over Na2SO4
  4. filtrationfiltered
  5. customevaporated under reduced pressure
  6. customPurification by flash chromatography (Et2O/PA 1:1→Et2O)

出典と根拠

ORDレコード
ord-c024b10ee9144b52b1ee9534695ae94c
出典データセット
uspto-grants-2015_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09126942B2

反応ノート

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