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Triphenylphosphine → (R)-[4-((E)-3,8-Difluoro-6H-dibenzo[b,e]oxepin-11-ylidenemethyl)-2-nitro-phenyl]-(1-methyl-2-morpholin-4-yl-ethyl)-amine

HRID 1670637
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인쇄 미리보기

반응식

HRID 1670637 반응식
Br[C:2]1[CH:7]=[CH:6][C:5]([NH:8][C@H:9]([CH3:17])[CH2:10][N:11]2[CH2:16][CH2:15][O:14][CH2:13][CH2:12]2)=[C:4]([N+:18]([O-:20])=[O:19])[CH:3]=1.[F:21][C:22]1[CH:23]=[CH:24][C:25]2=[C:26]([CH:47]=1)[O:27][CH2:28][C:29]1[CH:45]=[C:44]([F:46])[CH:43]=[CH:42][C:30]=1/[C:31]/2=[CH:32]\B1OC(C)(C)C(C)(C)O1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C([O-])(=O)C.[K+]>O1CCOCC1.O.O.C([O-])(=O)C.[Pd+2].C([O-])(=O)C>[F:21][C:22]1[CH:23]=[CH:24][C:25]2=[C:26]([CH:47]=1)[O:27][CH2:28][C:29]1[CH:45]=[C:44]([F:46])[CH:43]=[CH:42][C:30]=1/[C:31]/2=[CH:32]\[C:2]1[CH:7]=[CH:6][C:5]([NH:8][C@H:9]([CH3:17])[CH2:10][N:11]2[CH2:16][CH2:15][O:14][CH2:13][CH2:12]2)=[C:4]([N+:18]([O-:20])=[O:19])[CH:3]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

8

반응물 4

HCID 11776TriphenylphosphineHCID 517044Potassium AcetateHCID 67334620(R)-4-Bromo-N-(1-morpholinopropan-2-yl)-2-nitroanilineHCID 67335490(E)-2-((3,8-difluorodibenzo[b,e]oxepin-11(6H)-ylidene)methyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

생성물 1

HCID 57748733(R)-[4-((E)-3,8-Difluoro-6H-dibenzo[b,e]oxepin-11-ylidenemethyl)-2-nitro-phenyl]-(1-methyl-2-morpholin-4-yl-ethyl)-amine
수율 48.5%

시약·촉매·용매 3

HCID 167845palladium(II) acetate촉매HCID 962Water용매HCID 218864351,4-Dioxane--water (1/1)용매

실험 절차

Degas three times a mixture of (R)-(4-bromo-2-nitro-phenyl)-(1-methyl-2-morpholin-4-yl-ethyl)-amine (0.037 mol, 12.8 g), (E)-3,8-difluoro-11-(4,4,5,5-tetramethyl[1,3,2]dioxaborolan-2-ylmethylene)-6,11-dihydro-dibenzo[b,e]oxepine (0.037 mol, 13.7 g), triphenylphosphine (0.007 mol, 2.02 g) and potassium acetate (0.074 mol, 7.29 g) in dioxane/water (3:1) (450 mL) with nitrogen. Add palladium (II) acetate (0.001 mol) to the reaction mixture and degas again three times with nitrogen. Heat the resulting reaction mixture at 85° C. for 16 h. Cool the reaction mixture to room temperature, dilute with water, extract with ethyl acetate, combine organic layer, wash with water and brine. Dry the organic phase over anhydrous sodium sulfate, filter, and concentrate. Purify on a silica gel column using 7% ethyl acetate in hexanes as eluent to obtain the title compound (9.1 g, 48%) as an orange solid. 1H NMR (400 MHz, CDCl3), δ 1.26 (d, 3H), 2.44-2.57 (m, 6H), 3.66-3.68 (m, 4H), 3.71-3.78 (m, 1H), 4.89 (br s, 1H), 5.63 (br s, 1H), 6.52 (dd, 1H), 6.61 (d, 1H), 6.67 (dt, 1H), 6.76 (s, 1H), 6.89 (d, 1H), 6.95 (dt, 1H), 7.06-7.10 (m, 1H), 7.19 (dd, 1H), 7.29-7.41 (m, 1H), 7.95 (d, 1H), 8.35 (d, 1H, —NH).

후처리

  1. customDegas three times
  2. temperatureHeat
  3. customthe resulting reaction mixture at 85° C. for 16 h
  4. extractionextract with ethyl acetate
  5. washwash with water and brine
  6. dry with materialDry the organic phase over anhydrous sodium sulfate
  7. filtrationfilter
  8. concentrationconcentrate
  9. customPurify on a silica gel column

출처 및 근거

ORD 기록
ord-8161a9a384864c1394b7e2b4e51f5a0e
출처 데이터셋
uspto-grants-2011_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07994164B2

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