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Lithium hexamethyldisilazane → 6-Methoxyquinolin-3-amine

HRID 2421522
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HRID 2421522 반응식
Br[C:2]1[CH:3]=[N:4][C:5]2[C:10]([CH:11]=1)=[CH:9][C:8]([O:12][CH3:13])=[CH:7][CH:6]=2.F[B-](F)(F)F.C(P(C(C)(C)C)C(C)(C)C)(C)(C)C.C[Si]([N-:36][Si](C)(C)C)(C)C.[Li+]>C1(C)C=CC=CC=1.C(OCC)C.[Pd].[Pd].C(=CC(C=CC1C=CC=CC=1)=O)C1C=CC=CC=1.C(=CC(C=CC1C=CC=CC=1)=O)C1C=CC=CC=1.C(=CC(C=CC1C=CC=CC=1)=O)C1C=CC=CC=1>[NH2:36][C:2]1[CH:3]=[N:4][C:5]2[C:10]([CH:11]=1)=[CH:9][C:8]([O:12][CH3:13])=[CH:7][CH:6]=2
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참가 물질

7

반응물 3

HCID 2733832Lithium hexamethyldisilazaneHCID 147585873-Bromo-6-methoxyquinolineHCID 44558591Tri-t-butylphosphine fluoroborate

생성물 1

HCID 5999396-Methoxyquinolin-3-amine

시약·촉매·용매 3

HCID 9832798Tris(dibenzylideneacetone) dipalladium촉매
HCID 1140
Toluene
용매
HCID 3283Diethyl Ether용매

실험 절차

To a stirred mixture of 3-bromo-6-methoxyquinoline [synthesis given in Tetrahedron (1986), 42, 1475-1485] (2.38 g), tris(dibenzylideneacetone) dipalladium (0) (0.114 g) and tri t-butylphosphine tetrafluoroborate (0.116 g) in toluene (15 ml) under an atmosphere of nitrogen at ambient temperature was added a solution of lithium bistrimethylsilylamide (11.0 ml, 1.0M solution in hexanes). The mixture was stirred for 2 days and the brown suspension diluted with diethyl ether and extracted with 2M aqueous hydrochloric acid (twice) and the acidic fractions combined, washed with diethyl ether and made basic with 2M aqueous sodium hydroxide to give the required product as a brown solid that was used in the next Step without further purification.

후처리

  1. extractionextracted with 2M aqueous hydrochloric acid (twice) and the acidic fractions
  2. washwashed with diethyl ether

출처 및 근거

ORD 기록
ord-36099860a7fe437e914e14a1229bfd85
출처 데이터셋
uspto-grants-2011_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07956188B2

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