5-Bromo-4-methylthiophene-2-carbonitrile → 5(2-Methylspiro[4H-3,1-benzoxazine-4,1'-cyclopentane]-6-yl)-4 methyl-2-thiophenecarbonitrile

HRID 277858

反応式

HRID 277858 の反応式
[CH3:1][C:2]1[O:16][C:11]2([CH2:15][CH2:14][CH2:13][CH2:12]2)[C:5]2[CH:6]=[C:7](Br)[CH:8]=[CH:9][C:4]=2[N:3]=1.Br[C:18]1[S:22][C:21]([C:23]#[N:24])=[CH:20][C:19]=1[CH3:25]>>[CH3:1][C:2]1[O:16][C:11]2([CH2:15][CH2:14][CH2:13][CH2:12]2)[C:5]2[CH:6]=[C:7]([C:18]3[S:22][C:21]([C:23]#[N:24])=[CH:20][C:19]=3[CH3:25])[CH:8]=[CH:9][C:4]=2[N:3]=1

参加物

3

反応物 2

HCID 219862345-Bromo-4-methylthiophene-2-carbonitrileHCID 234355852-methyl-6-bromospiro[4H-3,1-benzoxazine-4,1'-cyclopentane]

生成物 1

HCID 234355965(2-Methylspiro[4H-3,1-benzoxazine-4,1'-cyclopentane]-6-yl)-4 methyl-2-thiophenecarbonitrile

実験手順

The title compound was prepared according to the procedure for Example 13 from 2-methyl-6-bromospiro[4H-3,1-benzoxazine-4,1′-cyclopentane] and 5-bromo-4-methyl-2-thiophenecarbonitrile. A yellowish solid: mp 58-60° C.; 1H-NMR (DMSO-d6) δ 7.79 (s, 1H), 7.16 (d, 1H, J=1.9 Hz), 7.12 (dd, 1H, J=8.4, 2.2 Hz), 6.66 (s, 1H), 6.63 (d, 1H, J=8.4 Hz), 4.75 (m, 1H), 2.26 (s, 3H), 2.14 (m, 1H), 1.87 (m, 1H), 1.4-1.7 (m, 6H), 1.32 (d, 3H, J=5.5 Hz).

出典と根拠

ORDレコード
ord-011c5534ee7746569d2f8d1216435934
出典データセット
uspto-grants-2002_03
特許番号
US06358948B1

関連ノート

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