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2-Naphthalenecarboxaldehyde → 5-bromo-N-(naphthalen-2-ylmethyl)pyrazin-2-amine

HRID 254770
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인쇄 미리보기

반응식

HRID 254770 반응식
[CH:1]1[C:10]2[C:5](=[CH:6][CH:7]=[CH:8][CH:9]=2)[CH:4]=[CH:3][C:2]=1[CH:11]=O.[NH2:13][C:14]1[CH:19]=[N:18][C:17]([Br:20])=[CH:16][N:15]=1.[BH-](OC(C)=O)(OC(C)=O)OC(C)=O.[Na+]>ClC(Cl)C.C(O)(=O)C.ClCCl>[Br:20][C:17]1[N:18]=[CH:19][C:14]([NH:13][CH2:11][C:2]2[CH:3]=[CH:4][C:5]3[C:10](=[CH:9][CH:8]=[CH:7][CH:6]=3)[CH:1]=2)=[N:15][CH:16]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 3

HCID 62012-NaphthalenecarboxaldehydeHCID 5995392-Amino-5-bromopyrazineHCID 5049666Sodium triacetoxyborohydride

생성물 1

HCID 866143075-bromo-N-(naphthalen-2-ylmethyl)pyrazin-2-amine수율 48.7%

시약·촉매·용매 3

HCID 176Acetic Acid용매HCID 6344
Dichloromethane
용매
HCID 63651,1-Dichloroethane용매

실험 절차

2-Napthaldehyde (0.6 g, 3.84 mmol) and 2-amino-5-bromopyrazine (0.56 g, 3.201 mmol) were treated with Na(OAc)3BH (1.02 g, 4.802 mmol) in dichloroethane (15.0 mls) and acetic acid (0.5 mls) for 18 hours at room temperature. The mixture was diluted with dichloromethane, washed with 1.0 N NaOH, washed with brine, dried over MgSO4, and concentrated. Chromatography (SiO2, EtOAc:Hex, 1:1) gave 0.49 g 5-bromo-N-(naphthalen-2-ylmethyl)pyrazin-2-amine.

후처리

  1. washwashed with 1.0 N NaOH
  2. washwashed with brine
  3. dry with materialdried over MgSO4
  4. concentrationconcentrated

출처 및 근거

ORD 기록
ord-99034d0e62854aafa760d584d4075ac2
출처 데이터셋
uspto-grants-2011_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07875622B2

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