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Benzenesulfonamide → N-[4-[6-(Cyclopentyloxycarbonyl)amino-2,3-dihydrobenz-1,4-oxazin-4ylmethyl]-3-methoxybenzoyl]benzenesulphonamide

HRID 1723213
ノート
印刷プレビュー

反応式

HRID 1723213 の反応式
[C:1]1([S:7]([NH2:10])(=[O:9])=[O:8])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[CH:11]1([O:16][C:17]([NH:19][C:20]2[CH:21]=[CH:22][C:23]3[O:28][CH2:27][CH2:26][N:25]([CH2:29][C:30]4[CH:38]=[CH:37][C:33]([C:34](O)=[O:35])=[CH:32][C:31]=4[O:39][CH3:40])[C:24]=3[CH:41]=2)=[O:18])[CH2:15][CH2:14][CH2:13][CH2:12]1.Cl.CN(C)CCCN=C=NCC>CN(C)C1C=CN=CC=1.ClCCl>[CH:11]1([O:16][C:17]([NH:19][C:20]2[CH:21]=[CH:22][C:23]3[O:28][CH2:27][CH2:26][N:25]([CH2:29][C:30]4[CH:38]=[CH:37][C:33]([C:34]([NH:10][S:7]([C:1]5[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=5)(=[O:9])=[O:8])=[O:35])=[CH:32][C:31]=4[O:39][CH3:40])[C:24]=3[CH:41]=2)=[O:18])[CH2:15][CH2:14][CH2:13][CH2:12]1
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 3

HCID 7370BenzenesulfonamideHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 147631294-[6-(Cyclopentyloxycarbonyl)amino-2,3-dihydrobenz-1,4-oxazin-4-ylmethyl]-3-methoxybenzoic acid

生成物 1

HCID 14763130N-[4-[6-(Cyclopentyloxycarbonyl)amino-2,3-dihydrobenz-1,4-oxazin-4ylmethyl]-3-methoxybenzoyl]benzenesulphonamide収率 54%

試薬・触媒・溶媒 2

HCID 14284
4-(Dimethylamino)pyridine
触媒
HCID 6344Dichloromethane溶媒2 回

実験手順

Benzenesulphonamide (0.037 g.) was added to a stirred solution of 4-[6-(cyclopentyloxycarbonyl)amino-2,3-dihydrobenz-1,4-oxazin-4-ylmethyl]-3-methoxybenzoic acid (0.1 g.), 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride (0.046 g.) and 4-(dimethylamino)pyridine (0.029 g.) in dichloromethane (5 ml.), under an atmosphere of nitrogen. The mixture was stirred for 21 hours and then diluted with dichloromethane. This mixture was washed successively with 1M hydrochloric acid (2×10 ml.), 5% w/v sodium bicarbonate solution (2×10 ml.), and saturated brine (20 ml.). It was then dried (MgSO4) and evaporated. The residue was purified by flash chromatography on silica gel (3 cm. diameter column) eluting with 1:1 v/v ethyl acetate:hexane. The solid obtained was recrystallized crystallized from ethyl acetate to give the title compound as a white powder (0.071 g., 54%), m.p. 186°-187° C.

後処理

  1. washThis mixture was washed successively with 1M hydrochloric acid (2×10 ml.), 5%
  2. dry with materialIt was then dried (MgSO4)
  3. customevaporated
  4. customThe residue was purified by flash chromatography on silica gel (3 cm. diameter column)
  5. washeluting with 1:1 v/v ethyl acetate
  6. customThe solid obtained
  7. customwas recrystallized
  8. customcrystallized from ethyl acetate

出典と根拠

ORDレコード
ord-39120f12ecf249658922c10f0f2e908e
出典データセット
uspto-grants-1989_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US04859692

反応ノート

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