Phosphorus oxychloride → 2-Chloro-8-methoxy-4-methylquinazoline

HRID 2079663노트

반응식

HRID 2079663 반응식
[CH3:1][O:2][C:3]1[CH:4]=[CH:5][CH:6]=[C:7]2[C:12]=1[N:11]=[C:10](O)[N:9]=[C:8]2[CH3:14].O=P(Cl)(Cl)[Cl:17]>O>[Cl:17][C:10]1[N:9]=[C:8]([CH3:14])[C:7]2[C:12](=[C:3]([O:2][CH3:1])[CH:4]=[CH:5][CH:6]=2)[N:11]=1

참가 물질

4

반응물 2

HCID 24813Phosphorus oxychlorideHCID 178488669HCID 178488669, 화합물

생성물 1

HCID 591992952-Chloro-8-methoxy-4-methylquinazoline

시약·촉매·용매 1

HCID 962Water용매

반응 조건

온도
100 °C

실험 절차

To 8-methoxy-4-methylquinazolin-2-ol was added POCl3 and the mixture was added heated to 100° C. for 16 h when the reaction went to completion. To the reaction mixture was added ice and water and the precipitated solid was filtered and dried on the high vacuum overnight to give 2-chloro-8-methoxy-4-methylquinazoline. ES/MS m/z 209 (MH+).

후처리

  1. additionthe mixture was added
  2. filtrationthe precipitated solid was filtered
  3. customdried on the high vacuum overnight

출처 및 근거

ORD 기록
ord-cb1a2d3f4f96466fa11a5bfac61107ab
출처 데이터셋
uspto-grants-2011_04
특허 번호
US07932262B2

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