HCID 59598981, compound → HCID 59598980, compound

HRID 1662959Notes

Reaction equation

[CH2:1]([N:4]1[C:12]2[C:7](=[N:8][C:9]([NH2:14])=[N:10][C:11]=2Cl)[N:6]([C@@H:15]2[O:27][C@H:26]([CH2:28][O:29][C:30](=[O:32])[CH3:31])[C@@H:21]([O:22][C:23](=[O:25])[CH3:24])[C@H:16]2[O:17][C:18](=[O:20])[CH3:19])[C:5]1=[O:33])[CH:2]=[CH2:3]>C(O)(=O)C>[CH2:1]([N:4]1[C:12]2[C:7](=[N:8][C:9]([NH2:14])=[N:10][CH:11]=2)[N:6]([C@@H:15]2[O:27][C@H:26]([CH2:28][O:29][C:30](=[O:32])[CH3:31])[C@@H:21]([O:22][C:23](=[O:25])[CH3:24])[C@H:16]2[O:17][C:18](=[O:20])[CH3:19])[C:5]1=[O:33])[CH:2]=[CH2:3]

Participants

Conditions

Temperature: 70 °C

Procedure

Compound 41 (0.27 g, 0.56 mmol) was dissolved in acetic acid and Zn—Cu couple was added to the solution. The mixture was heated at 70° C. for 18 h. The suspended particles were filtered off and the filtrate concentrated under vacuum. The residue was purified by flash chromatography using 10% to 100% gradient of ethyl acetate in hexanes. The solvent was removed to give 150 mg (60%) of 42 as off-white solid: 1H NMR (400 MHz, CDCl3) δ 6.05 (t, J=4.0 Hz, 1H), 6.03 (d, J=4.0 Hz, 1H), 5.87 (t, J=6.0 Hz, 1H), 5.83 (m, 1H), 5.48 (br s, 2H), 5.33 (s, 1H), 5.29 (d, J=5.6 Hz, 1H), 4.49 (d, J=3.2 Hz, H), 4.46 (d, J=3.2 Hz, 1H), 4.41 (d, J=5.6 Hz, 2H), 4.27 (m, 2H), 2.12 (s, 3H), 2.10 (s, 3H), 2.05 (s, 3H); MS (+)-ES [M+H]+ 450.0 m/z.

Workup

filtrationThe suspended particles were filtered off
concentrationthe filtrate concentrated under vacuum
customThe residue was purified by flash chromatography
customThe solvent was removed

Sources & evidence

ORD record: ord-750feb61efd54ccb9015e3f7b9d19d0b
Source dataset: uspto-grants-2011_10
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08034802B2

Reaction notes

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