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Diisopropylethylamine → (R)-4-(4-((6-oxo-5,6,6a,7,9,10-hexahydropyrido[3,2-e][1,4]thiazino[4,3-a]pyrazin-3-yl)methyl)piperazin-1-yl)benzonitrile

HRID 69662
ノート
印刷プレビュー

反応式

HRID 69662 の反応式
O[CH2:2][C:3]1[CH:12]=[N:11][C:10]2[N:9]3[CH2:13][CH2:14][S:15][CH2:16][C@H:8]3[C:7](=[O:17])[NH:6][C:5]=2[CH:4]=1.[I-].C(C[P+](C)(C)C)#N.C(N(C(C)C)C(C)C)C.[N:35]1([C:41]2[CH:48]=[CH:47][C:44]([C:45]#[N:46])=[CH:43][CH:42]=2)[CH2:40][CH2:39][NH:38][CH2:37][CH2:36]1>C(#N)CC>[O:17]=[C:7]1[NH:6][C:5]2[CH:4]=[C:3]([CH2:2][N:38]3[CH2:37][CH2:36][N:35]([C:41]4[CH:42]=[CH:43][C:44]([C:45]#[N:46])=[CH:47][CH:48]=4)[CH2:40][CH2:39]3)[CH:12]=[N:11][C:10]=2[N:9]2[CH2:13][CH2:14][S:15][CH2:16][C@@H:8]12
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 81531DiisopropylethylamineHCID 27339954-(Piperazin-1-yl)benzonitrileHCID 10514344(Cyanomethyl)trimethylphosphanium iodideHCID 58324367(R)-3-(hydroxymethyl)-6a,7,9,10-tetrahydropyrido[3,2-e][1,4]thiazino[4,3-a]pyrazin-6(5H)-one

生成物 1

HCID 46864478(R)-4-(4-((6-oxo-5,6,6a,7,9,10-hexahydropyrido[3,2-e][1,4]thiazino[4,3-a]pyrazin-3-yl)methyl)piperazin-1-yl)benzonitrile
収率 26.9%

試薬・触媒・溶媒 1

HCID 7854Propionitrile溶媒

反応条件

温度
90 °C

実験手順

(R)-3-(hydroxymethyl)-6a,7,9,10-tetrahydropyrido[3,2-e][1,4]thiazino[4,3-a]pyrazin-6(5H)-one (80.0 mg, 0.318 mmol) was suspended in propionitrile (0.8 mL) and (cyanomethyl)trimethylphosphonium iodide (93.0 mg, 0.382 mmol) was added followed by N-ethyl-N-isopropylpropan-2-amine (167 ul, 0.955 mmol). To the stirred mixture was then added 4-(piperazin-1-yl)benzonitrile (59.6 mg, 0.318 mmol). The reaction was heated to 90° C. with stirring for 16 h. The reaction was cooled to room temperature and left to sit 48 h. The precipitate was filtered off, washed with ethanol (5 mL) and dried in vacuum to afford the title compound (36.0 mg, 26.9%) as a white solid. 1H NMR (CHLOROFORM-d) δ (ppm): 8.26 (br. s., 1H), 7.79 (d, J=1.8 Hz, 1H), 7.44-7.60 (m, 2H), 6.96 (br. s., 1H), 6.76-6.91 (m, 2H), 5.05 (dt, J=13.6, 2.7 Hz, 1H), 4.43 (dd, J=10.7, 3.2 Hz, 1H), 3.27-3.63 (m, 6H), 3.15 (td, J=12.8, 2.3 Hz, 1H), 3.00 (td, J=12.8, 2.7 Hz, 1H), 2.77-2.93 (m, 2H), 2.59 (br. s., 4H), 2.34-2.45 (m, 1H). [M+H] calc'd for C22H24N6OS, 421; found, 421.

後処理

  1. temperatureThe reaction was cooled to room temperature
  2. waitleft
  3. waitto sit 48 h
  4. filtrationThe precipitate was filtered off
  5. washwashed with ethanol (5 mL)
  6. customdried in vacuum

出典と根拠

ORDレコード
ord-b23b21300dab43d297029cff14de4b03
出典データセット
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08822470B2

反応ノート

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