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Potassium Acetate → 4-[2-(2-Isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-1,3a-diaza-benzo[e]azulen-8-yl]5,6-dihydro-2H-pyridine-1,3-dicarboxylic acid 1-tert-butyl ester 3-methyl ester

HRID 1629452
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HRID 1629452 반응식
[CH:1]([N:4]1[C:8]([C:9]2[N:18]=[C:17]3[N:11]([CH2:12][CH2:13][O:14][C:15]4[CH:22]=[C:21](B5OC(C)(C)C(C)(C)O5)[CH:20]=[CH:19][C:16]=43)[CH:10]=2)=[N:7][CH:6]=[N:5]1)([CH3:3])[CH3:2].[CH3:32][O:33][C:34]([CH:36]1[CH:41](OS(C(F)(F)F)(=O)=O)[CH2:40][CH2:39][N:38]([C:50]([O:52][C:53]([CH3:56])([CH3:55])[CH3:54])=[O:51])[CH2:37]1)=[O:35].C([O-])(=O)C.[K+]>C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2].C(Cl)Cl.O>[CH3:32][O:33][C:34]([C:36]1[CH2:37][N:38]([C:50]([O:52][C:53]([CH3:56])([CH3:55])[CH3:54])=[O:51])[CH2:39][CH2:40][C:41]=1[C:21]1[CH:20]=[CH:19][C:16]2[C:17]3[N:11]([CH2:12][CH2:13][O:14][C:15]=2[CH:22]=1)[CH:10]=[C:9]([C:8]1[N:4]([CH:1]([CH3:3])[CH3:2])[N:5]=[CH:6][N:7]=1)[N:18]=3)=[O:35]
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참가 물질

7

반응물 3

HCID 517044Potassium AcetateHCID 582047132-(1-isopropyl-1H-1,2,4-triazol-5-yl)-9-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepineHCID 866523114-Trifluoromethanesulphonyloxy-piperidine-1,3-dicarboxylic acid 1-tert-butyl ester 3-methyl ester

생성물 1

HCID 582042864-[2-(2-Isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-1,3a-diaza-benzo[e]azulen-8-yl]5,6-dihydro-2H-pyridine-1,3-dicarboxylic acid 1-tert-butyl ester 3-methyl ester
수율 91.2%

시약·촉매·용매 3

HCID 44119782Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)촉매HCID 962Water용매HCID 6344Dichloromethane용매2회

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온도
120 °C

실험 절차

2-(2-Isopropyl-2H-[1,2,4]triazol-3-yl)-8-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-4,5-dihydro-6-oxa-1,3a-diaza-benzo[e]azulene (0.20 g, 0.49 mmol), 4-trifluoromethanesulphonyloxy-piperidine-1,3-dicarboxylic acid 1-tert-butyl ester 3-methyl ester (0.29 g, 0.75 mmol), potassium acetate (0.12 g, 1.22 mmol), Pd(dppf)2Cl2.DCM (0.04 g, 0.05 mmol), DME:IMS:water 7:2:1 (5 mL), were sealed in a microwave vial and heated by microwave irradiation at 120° C. for 10 min. The reaction mixture was cooled to RT, water and DCM were added, the organic layer separated, washed with water, dried (Na2SO4), filtered and concentrated in vacuo. The resultant residue was subjected to flash chromatography (SiO2, gradient 0 to 5% methanol in DCM) to give 4-[2-(2-Isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-1,3a-diaza-benzo[e]azulen-8-yl]5,6-dihydro-2H-pyridine-1,3-dicarboxylic acid 1-tert-butyl ester 3-methyl ester (239 mg, 91%). 1H NMR 300 MHz (CDCl3) δ: 8.49 (1 H, d, J=8.30 Hz), 7.87 (1 H, d, J=0.64 Hz), 7.64 (1 H, s), 6.92 (1 H, dd, J=8.31, 1.80 Hz), 6.84 (1 H, d, J=1.77 Hz), 6.00 (1 H, m), 4.49-4.47 (4 H, m), 4.27 (2 H, s), 3.62 (2 H, t, J=5.69 Hz), 3.57 (2 H, s), 2.50 (3 H, s), 1.59 (6 H, d, J=6.63 Hz), 1.51 (9 H, s).

후처리

  1. temperatureThe reaction mixture was cooled to RT
  2. customthe organic layer separated
  3. washwashed with water
  4. dry with materialdried (Na2SO4)
  5. filtrationfiltered
  6. concentrationconcentrated in vacuo

출처 및 근거

ORD 기록
ord-7081396bc2914e6a8f0801fa1a511ba1
출처 데이터셋
uspto-grants-2014_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08785626B2

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