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Cesium carbonate → tert-butyl 4-[6-(2,3-difluorophenyl)-1-[(2-ethyl-2H-tetrazol-5-yl)methyl]-2,4-dioxo-1,4-dihydrothieno[3,2-d]pyrimidin-3(2H)-yl]piperidine-1-carboxylate

HRID 1476625
ノート
印刷プレビュー

反応式

HRID 1476625 の反応式
Br[C:2]1[S:10][C:9]2[C:8](=[O:11])[N:7]([CH:12]3[CH2:17][CH2:16][N:15]([C:18]([O:20][C:21]([CH3:24])([CH3:23])[CH3:22])=[O:19])[CH2:14][CH2:13]3)[C:6](=[O:25])[N:5]([CH2:26][C:27]3[N:28]=[N:29][N:30]([CH2:32][CH3:33])[N:31]=3)[C:4]=2[CH:3]=1.[F:34][C:35]1[C:40]([F:41])=[CH:39][CH:38]=[CH:37][C:36]=1B(O)O.C(=O)([O-])[O-].[Cs+].[Cs+]>COCCOC.C1CCC(P(C2CCCCC2)C2CCCCC2)CC1.C1CCC(P(C2CCCCC2)C2CCCCC2)CC1.Cl[Pd]Cl>[F:34][C:35]1[C:40]([F:41])=[CH:39][CH:38]=[CH:37][C:36]=1[C:2]1[S:10][C:9]2[C:8](=[O:11])[N:7]([CH:12]3[CH2:13][CH2:14][N:15]([C:18]([O:20][C:21]([CH3:22])([CH3:24])[CH3:23])=[O:19])[CH2:16][CH2:17]3)[C:6](=[O:25])[N:5]([CH2:26][C:27]3[N:28]=[N:29][N:30]([CH2:32][CH3:33])[N:31]=3)[C:4]=2[CH:3]=1
参加物実験手順出典と根拠反応ノート

参加物

6

反応物 3

HCID 10796Cesium carbonateHCID 2734333(2,3-Difluorophenyl)boronic acidHCID 67258602Tert-butyl 4-[6-bromo-1-[(2-ethyl-2H-tetrazol-5-yl)methyl]-2,4-dioxo-1,4-dihydrothieno[3,2-d]pyrimidin-3(2H)-yl]piperidine-1-carboxylate

生成物 1

HCID 67257703tert-butyl 4-[6-(2,3-difluorophenyl)-1-[(2-ethyl-2H-tetrazol-5-yl)methyl]-2,4-dioxo-1,4-dihydrothieno[3,2-d]pyrimidin-3(2H)-yl]piperidine-1-carboxylate

試薬・触媒・溶媒 2

HCID 11050900Dichlorobis(tricyclohexylphosphine)pallium (II)触媒
HCID 80711,2-Dimethoxyethane溶媒

実験手順

Tert-butyl 4-{6-bromo-1-[(2-ethyl-2H-tetrazol-5-yl)methyl]-2,4-dioxo-1,4-dihydrothieno[3,2-d]pyrimidin-3(2H)-yl}piperidine-1-carboxylate (405 mg, compound B101), (2,3-difluorophenyl)boronic acid (118 mg), dichlorobis(tricyclohexylphosphine)palladium (28 mg) and aqueous cesium carbonate solution (0.563 ml, 2.0 M) in DME (10 ml) are reacted according to the procedure described in example B55 to afford the title compound after two times purification by flash column chromatography [silica gel, elution gradient: cyclohexane/EtOAc, 100/0 to 50/50 to 30/70 (v/v) and amino phase silica gel elution gradient: cyclohexane/EtOAc, 100/0 to 50/50 to 30/70 (v/v)] as a solid.

出典と根拠

ORDレコード
ord-6abc6d5dc34448a08afb2df6bd73d6e4
出典データセット
uspto-grants-2015_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09018175B2

反応ノート

読み込み中…

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