Fmoc isothiocyanate → N-(4-Ethoxycarbonyl-6-methoxypyridin-2-ylmethyl)-N'-(fluoren-9-ylmethyloxycarbonyl)thiourea

HRID 249733

反応式

HRID 249733 の反応式
[NH2:1][CH2:2][C:3]1[CH:4]=[C:5]([CH:11]=[C:12]([O:14][CH3:15])[N:13]=1)[C:6]([O:8][CH2:9][CH3:10])=[O:7].[CH:16]1[C:28]2[CH:27]([CH2:29][O:30][C:31]([N:33]=[C:34]=[S:35])=[O:32])[C:26]3[C:21](=[CH:22][CH:23]=[CH:24][CH:25]=3)[C:20]=2[CH:19]=[CH:18][CH:17]=1>C1(C)C=CC=CC=1>[CH2:9]([O:8][C:6]([C:5]1[CH:11]=[C:12]([O:14][CH3:15])[N:13]=[C:3]([CH2:2][NH:1][C:34]([NH:33][C:31]([O:30][CH2:29][CH:27]2[C:26]3[CH:25]=[CH:24][CH:23]=[CH:22][C:21]=3[C:20]3[C:28]2=[CH:16][CH:17]=[CH:18][CH:19]=3)=[O:32])=[S:35])[CH:4]=1)=[O:7])[CH3:10]

参加物

4

実験手順

6.67 g (31.7 mmol) of ethyl 2-aminomethyl-6-methoxyisonicotinate (20d) were dissolved in 175 ml of toluene and treated at RT with 8.93 g (281.3 mmol) of fluoren-9-ylmethyloxycarbonyl isothiocyanate. After 15 minutes, the resulting precipitate was filtered off and dried at 50° C., 4.6 g of the title compound being isolated. The filtrate was concentrated, and the residue was taken up in DCM and washed three times with water. The organic phase was dried with MgSO4 and concentrated. The crude product thus obtained was chromatographed on silica gel (heptane/ethyl acetate 90:10→75:25), it being possible to isolate a further 8.1 g of the title compound.

後処理

  1. filtrationthe resulting precipitate was filtered off
  2. customdried at 50° C.

出典と根拠

ORDレコード
ord-63dc31fe34c04da292513138d3624b13
出典データセット
uspto-grants-2011_01
特許番号
US07863269B2

関連ノート

読み込み中…