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Dimethylformamide → 5-(5-methoxy-1,3-benzothiazol-2-yl)-N-methylpyridin-2-amine

HRID 1851775
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HRID 1851775 반응식
CO[C:3]1[CH:11]=[CH:10][C:6]2[N:7]=[CH:8][S:9][C:5]=2[CH:4]=1.Br[C:13]1[CH:14]=[CH:15][C:16](C(N)=O)=[N:17][CH:18]=1.[CH3:22][O:23]C1C=CC2N=C(C3C=CC(C(F)(F)F)=CN=3)SC=2C=1.[CH3:43][N:44](C=O)C>[Pd].C(P(C(C)(C)C)C(C)(C)C)(C)(C)C.C(P(C(C)(C)C)C(C)(C)C)(C)(C)C>[CH3:22][O:23][C:11]1[CH:3]=[CH:4][C:5]2[S:9][C:8]([C:13]3[CH:14]=[CH:15][C:16]([NH:44][CH3:43])=[N:17][CH:18]=3)=[N:7][C:6]=2[CH:10]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 6228DimethylformamideHCID 3501866-MethoxybenzothiazoleHCID 7351515-Bromopyridine-2-carboxamideHCID 248038916-Methoxy-2-[5-(trifluoromethyl)pyridin-2-yl]-1,3-benzothiazole

생성물 1

HCID 248037275-(5-methoxy-1,3-benzothiazol-2-yl)-N-methylpyridin-2-amine

시약·촉매·용매 1

HCID 2734558
Bis(tri-tert-butylphosphine)palladium(0)
촉매

실험 절차

6-Methoxy-1,3-benzothiazole (0.100 g, 0.61 mmol) and 5-bromopyridine-2-carboxamide (0.146 g, 0.73 mmol) were reacted according to the procedure used for the preparation of 6-methoxy-2-[5-(trifluoromethyl)pyridin-2-yl]-1,3-benzothiazole, with the following exceptions: 10 mol % bis(tri-t-butylphosphine) palladium (0) was used and the amount of DMF was reduced (3 mL). The reaction mixture was concentrated and flash chromatography of the residue gave the title compound (10 mg) as an off-white solid. 1H NMR δ 9.25 (dd, 1 H) 8.56 (dd, 1 H) 8.23 (br s, 1 H) 8.19 (dd, 1 H) 8.04 (d, 1 H) 7.81 (d, 1H) 7.78 (br s, 1 H) 7.20 (dd, 1 H) 3.88 (s, 3 H); MS ink (M+H) 286.

후처리

  1. concentrationThe reaction mixture was concentrated

출처 및 근거

ORD 기록
ord-1f368683f64b428a84477d73c592dfd2
출처 데이터셋
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08957215B2

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