Diisopropylethylamine → 5-(2-Chloro-4-morpholinothieno[3,2-d]pyrimidin-6-yl)pyridin-2-amine

HRID 41886

反応式

HRID 41886 の反応式
[Cl:1][C:2]1[N:3]=[C:4]([N:18]2[CH2:23][CH2:22][O:21][CH2:20][CH2:19]2)[C:5]2[S:10][C:9]([C:11]3[CH:12]=[N:13][C:14](F)=[CH:15][CH:16]=3)=[CH:8][C:6]=2[N:7]=1.C([N:27](C(C)C)CC)(C)C>CN1CCCC1>[Cl:1][C:2]1[N:3]=[C:4]([N:18]2[CH2:23][CH2:22][O:21][CH2:20][CH2:19]2)[C:5]2[S:10][C:9]([C:11]3[CH:12]=[N:13][C:14]([NH2:27])=[CH:15][CH:16]=3)=[CH:8][C:6]=2[N:7]=1

参加物

4

反応条件

温度
135 °C

実験手順

A mixture of 2-chloro-6-(6-fluoropyridin-3-yl)-4-morpholinothieno[3,2-d]pyrimidine, about four equivalents of a primary or secondary amine (R═H, C1-C12 alkyl, C2-C8 alkenyl, C2-C8 alkynyl, C3-C12 carbocyclyl, C2-C20 heterocyclyl, C6-C20 aryl, or C1-C20 heteroaryl), and about two eq. diisopropylethylamine in N-methylpyrrolidine (˜0.1M) is heated to about 130-140° C. in a sealed microwave reactor for 10˜40 min, followed by removal of volatiles under high vacuum. The crude mixture is purified by flash chromatography to give intermediate 2-chloro-6-(6-aminopyridin-3-yl)-4-morpholinothieno[3,2-d]pyrimidine, which may be Suzuki coupled with a monocyclic heteroaryl, fused bicyclic heterocycle or heteroaryl boronate reagent following General Procedure A.

後処理

  1. customfollowed by removal of volatiles under high vacuum
  2. customThe crude mixture is purified by flash chromatography

出典と根拠

ORDレコード
ord-c44f186e99ce41fc827f13d753c47952
出典データセット
uspto-grants-2013_09
特許番号
US08536161B2

関連ノート

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