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N,N,N',N'-Tetramethylethylenediamine → (S)-tert-butyl 3-((6-cyano-1,7-naphthyridin-8-yl)amino)pyrrolidine-1-carboxylate

HRID 1476859
ノート
印刷プレビュー

反応式

HRID 1476859 の反応式
Br[C:2]1[CH:3]=[C:4]2[C:9](=[C:10]([NH:12][C@H:13]3[CH2:17][CH2:16][N:15]([C:18]([O:20][C:21]([CH3:24])([CH3:23])[CH3:22])=[O:19])[CH2:14]3)[N:11]=1)[N:8]=[CH:7][CH:6]=[CH:5]2.[CH3:25][N:26](C)CCN(C)C.CC1(C)C2C(=C(P(C3C=CC=CC=3)C3C=CC=CC=3)C=CC=2)OC2C(P(C3C=CC=CC=3)C3C=CC=CC=3)=CC=CC1=2>CN1C(=O)CCC1.CCOC(C)=O.[C-]#N.[Zn+2].[C-]#N.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd]>[C:25]([C:2]1[CH:3]=[C:4]2[C:9](=[C:10]([NH:12][C@H:13]3[CH2:17][CH2:16][N:15]([C:18]([O:20][C:21]([CH3:24])([CH3:23])[CH3:22])=[O:19])[CH2:14]3)[N:11]=1)[N:8]=[CH:7][CH:6]=[CH:5]2)#[N:26]
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

8

反応物 3

HCID 8037N,N,N',N'-TetramethylethylenediamineHCID 6360441,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 90387016(S)-tert-butyl 3-((6-bromo-1,7-naphthyridin-8-yl)amino)pyrrolidine-1-carboxylate

生成物 1

HCID 90387194(S)-tert-butyl 3-((6-cyano-1,7-naphthyridin-8-yl)amino)pyrrolidine-1-carboxylate収率 88.9%

試薬・触媒・溶媒 4

HCID 11186
Zinc cyanide (Zn(CN)2)
触媒
HCID 9811564Bis(dibenzylideneacetone)palladium触媒
HCID 8857Ethyl Acetate溶媒
HCID 13387N-methyl-2-pyrrolidone溶媒

反応条件

温度
160 °C

実験手順

A solution of (S)-tert-butyl 3-((6-bromo-1,7-naphthyridin-8-yl)amino)pyrrolidine-1-carboxylate (1141 mg, 2.9 mmol), zinc cyanide (681 mg, 5.80 mmol) and N1,N1,N2,N2-tetramethylethane-1,2-diamine (87 μL, 0.580 mmol) in NMP was degassed with nitrogen for 5 minutes. Xantphos (168 mg, 0.290 mmol) and Pd2dba3 (266 mg, 0.290 mmol) were added and the mixture was heated in a microwave reactor at 160° C. for 10 minutes. The reaction mixture was subsequently diluted with EtOAc. The organic phase was washed with water (2×), dried, and concentrated in vacuo. The crude product was purified by preparative HPLC eluting with a gradient of 45-70% ACN in water (acid mode) to give the title compound as a yellow solid (175 mg, 17.8%).

後処理

  1. washThe organic phase was washed with water (2×)
  2. customdried
  3. concentrationconcentrated in vacuo
  4. customThe crude product was purified by preparative HPLC
  5. washeluting with a gradient of 45-70% ACN in water (acid mode)

出典と根拠

ORDレコード
ord-4a69c53d9a894487821cbf59872dd35f
出典データセット
uspto-grants-2016_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09402841B2

反応ノート

読み込み中…

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