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Ethyl 5-(tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3-carboxylate → Ethyl 5-(2-chloro-4-morpholinothieno[3,2-d]pyrimidin-6-yl)pyridine-3-carboxylate

HRID 2098807
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인쇄 미리보기

반응식

HRID 2098807 반응식
[Cl:1][C:2]1[N:3]=[C:4]([N:12]2[CH2:17][CH2:16][O:15][CH2:14][CH2:13]2)[C:5]2[S:10][C:9](I)=[CH:8][C:6]=2[N:7]=1.[CH2:18]([O:20][C:21]([C:23]1[CH:24]=[N:25][CH:26]=[C:27](B2OC(C)(C)C(C)(C)O2)[CH:28]=1)=[O:22])[CH3:19]>C([O-])([O-])=O.[Na+].[Na+].C(#N)C.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1>[Cl:1][C:2]1[N:3]=[C:4]([N:12]2[CH2:17][CH2:16][O:15][CH2:14][CH2:13]2)[C:5]2[S:10][C:9]([C:27]3[CH:28]=[C:23]([C:21]([O:20][CH2:18][CH3:19])=[O:22])[CH:24]=[N:25][CH:26]=3)=[CH:8][C:6]=2[N:7]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 2

HCID 3816953Ethyl 5-(tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3-carboxylateHCID 595930614-(2-Chloro-6-iodothieno[3,2-d]pyrimidin-4-yl)morpholine

생성물 1

HCID 86618440Ethyl 5-(2-chloro-4-morpholinothieno[3,2-d]pyrimidin-6-yl)pyridine-3-carboxylate수율 75%

시약·촉매·용매 3

HCID 178418476HCID 178418476, 화합물촉매
HCID 6342
Acetonitrile
용매
HCID 10340Sodium Carbonate용매

실험 절차

2-Chloro-6-iodo-4-morpholinothieno[3,2-d]pyrimidine 19, 200 mg of 3-ethoxycarbonylpyridine-5-boronic acid pinacol ester (250 mg) and 23 mg of bis(triphenylphosphine)palladium(II) dichloride in 1.5 mL of 1M Na2CO3 aqueous solution and 1.5 mL of acetonitrile was heated to 100° C. in a sealed microwave reactor for 10 min. The reaction mixture was evaporated. The crude product was purified by flash chromatography eluting with 10˜100% EtOAc/hexane to yield ethyl 5-(2-chloro-4-morpholinothieno[3,2-d]pyrimidin-6-yl)pyridine-3-carboxylate (240 mg, 75%).

후처리

  1. customThe reaction mixture was evaporated
  2. customThe crude product was purified by flash chromatography
  3. washeluting with 10˜100% EtOAc/hexane

출처 및 근거

ORD 기록
ord-07644c8282dc45c0bf46d7edf7c17883
출처 데이터셋
uspto-grants-2013_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08450315B2

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