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1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → N-(7-((2R,3R,4S,5R)-3,4-dihydroxy-5-methoxy-6,6-dimethyltetrahydro-2H-pyran-2-yloxy)-8-ethyl-2-oxo-2H-chromen-3-yl)-3',6-dimethoxybiphenyl-3-carboxamide

HRID 2272798
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HRID 2272798 반응식
[CH2:1]([C:3]1[C:4]([O:25][C@H:26]2[C@@H:31]3[O:32]C(=O)[O:34][C@@H:30]3[C@@H:29]([O:36][CH3:37])[C:28]([CH3:39])([CH3:38])[O:27]2)=[CH:5][CH:6]=[C:7]2[C:12]=1[O:11][C:10](=[O:13])[C:9]([NH:14][C:15](=[O:24])OCC1C=CC=CC=1)=[CH:8]2)[CH3:2].CCN=C=NCCCN(C)C.[CH3:51][O:52][C:53]1[CH:54]=[C:55]([C:59]2[C:64]([O:65][CH3:66])=[CH:63][CH:62]=[C:61](C(O)=O)[CH:60]=2)[CH:56]=[CH:57][CH:58]=1.C(=O)([O-])[O-]>[Pd].C1COCC1.N1C=CC=CC=1.C(Cl)Cl.CO.C(N(CC)CC)C>[OH:32][C@@H:31]1[C@H:30]([OH:34])[C@@H:29]([O:36][CH3:37])[C:28]([CH3:38])([CH3:39])[O:27][C@H:26]1[O:25][C:4]1[C:3]([CH2:1][CH3:2])=[C:12]2[C:7]([CH:8]=[C:9]([NH:14][C:15]([C:61]3[CH:60]=[C:59]([C:55]4[CH:56]=[CH:57][CH:58]=[C:53]([O:52][CH3:51])[CH:54]=4)[C:64]([O:65][CH3:66])=[CH:63][CH:62]=3)=[O:24])[C:10](=[O:13])[O:11]2)=[CH:6][CH:5]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

10

반응물 4

HCID 159081-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 19660Carbonate IonHCID 25140543Benzyl 8-ethyl-7-((3aR,4R,7R,7aR)-7-methoxy-6,6-dimethyl-2-oxotetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran-4-yloxy)-2-oxo-2H-chromen-3-ylcarbamateHCID 549124263',6-Dimethoxy-(1,1'-biphenyl)-3-carboxylic acid

생성물 1

HCID 25139945
N-(7-((2R,3R,4S,5R)-3,4-dihydroxy-5-methoxy-6,6-dimethyltetrahydro-2H-pyran-2-yloxy)-8-ethyl-2-oxo-2H-chromen-3-yl)-3',6-dimethoxybiphenyl-3-carboxamide
수율 3.5%

시약·촉매·용매 5

HCID 23938Palladium촉매HCID 887Methanol용매HCID 8028Tetrahydrofuran용매HCID 8471Triethylamine용매HCID 21875418Pyridine methylene chloride용매

실험 절차

Palladium on carbon (10%, 12 mg) was added to 25h (121 mg, 0.22 mmol) in anhydrous THF (5.00 mL) and the solution was placed under an atmosphere of H2. After 12 hours, the solution was filtered through SiO2 (1:1 CH2Cl2:Acetone) and the eluent was concentrated to afford a yellow solid, which was used without further purification (90.0 mg, 99%). EDCI (46.2 mg, 0.24 mmol) and 3′,6-dimethoxybiphenyl-3-carboxylic acid (43.9 mg, 0.19 mmol) were added to the amine (39.0 mg, 0.096 mmol) in 30% pyridine/CH2Cl2 (2.65 mL). After 12 hours, the solvent was concentrated and the residue purified via column chromatography (SiO2, 40:1 CH2Cl2:Acetone) to afford a colorless solid, which was used without further purification (39.1 mg, 66%). Triethylamine (150 μL) was added to the carbonate (13.0 mg, 0.020 mmol) in MeOH (1.5 mL). After 12 hours, the solvent was concentrated and the residue purified via column chromatography (SiO2, 40:1 CH2Cl2:Acetone) to afford 26h as a colorless amorphous solid (4.10 mg, 33%, 22% over 3 steps): 1H NMR (CD2Cl2, 500 MHz) δ 8.70 (s, 1H), 8.61 (s, 1H), 7.83 (dd, J=8.5, 2.5 Hz, 1H), 7.78 (d, J=2.5 Hz, 1H), 7.31 (d, J=9.0 Hz, 1H), 7.27 (t, J=7.8 Hz, 1H), 7.17 (d, J=8.5 Hz, 1H), 7.03-6.99 (m, 3H), 6.85-6.82 (m, 1H), 5.49 (d, J=1.5 Hz, 1H), 4.15 (t, J=8.5 Hz, 1H), 4.14 (d, J=8.5 Hz, 1H), 3.90 (s, 2H), 3.87 (s, 3H), 3.81 (s, 3H), 3.28 (s, 3H), 3.27 (d, J=8.5 Hz, 1H), 2.76 (q, J=4.5 Hz, 2H), 1.29 (s, 3H), 1.09 (t, J=7.4 Hz, 3H), 1.08 (s, 3H); 13C NMR (CD2Cl2, 125 MHz) δ 164.5, 159.0, 158.6, 158.5, 155.1, 147.9, 138.1, 130.1, 129.1, 128.3, 127.4, 125.4, 125.2, 123.1, 121.4, 121.2, 119.4, 114.5, 113.5, 112.1, 110.8, 110.2, 97.6, 83.4, 77.7, 70.6, 67.8, 61.0, 55.1, 54.5, 28.2, 21.6, 15.6, 12.9; IR (film) νmax 3404, 2968, 2934, 2359, 2341, 1715, 1605, 1524, 1504, 1367, 1244, 1101, 1024, 995, 960, 800 cm−1; HRMS (ESI+) m/z: [M+H]+ calcd for C34H37NO10, 620.2496. found, 620.2507.

후처리

  1. filtrationthe solution was filtered through SiO2 (1:1 CH2Cl2:Acetone)
  2. concentrationthe eluent was concentrated
  3. customto afford a yellow solid, which
  4. customwas used without further purification (90.0 mg, 99%)
  5. waitAfter 12 hours
  6. concentrationthe solvent was concentrated
  7. customthe residue purified via column chromatography (SiO2, 40:1 CH2Cl2:Acetone)
  8. customto afford a colorless solid, which
  9. customwas used without further purification (39.1 mg, 66%)
  10. waitAfter 12 hours
  11. concentrationthe solvent was concentrated
  12. customthe residue purified via column chromatography (SiO2, 40:1 CH2Cl2:Acetone)

출처 및 근거

ORD 기록
ord-fde47434f8bf47049b6a9f64ea247b6e
출처 데이터셋
uspto-grants-2015_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09120774B2

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