Hydrochloric Acid → HCID 57835870, compound

HRID 731188Notes

Reaction equation

HRID 731188 reaction equation
[CH2:1]([O:3][C:4]1[CH:5]=[C:6]([C:10]2[CH:11]=[C:12]3[C:16](=[CH:17][CH:18]=2)[CH:15]([O:19][C:20]2[CH:25]=[CH:24][C:23]([C@H:26]([C:32]#[C:33][CH3:34])[CH2:27][C:28]([O:30]C)=[O:29])=[CH:22][CH:21]=2)[CH2:14][CH2:13]3)[CH:7]=[CH:8][CH:9]=1)[CH3:2].[OH-].[Na+].Cl>C1COCC1.CO>[CH2:1]([O:3][C:4]1[CH:5]=[C:6]([C:10]2[CH:11]=[C:12]3[C:16](=[CH:17][CH:18]=2)[CH:15]([O:19][C:20]2[CH:21]=[CH:22][C:23]([C@H:26]([C:32]#[C:33][CH3:34])[CH2:27][C:28]([OH:30])=[O:29])=[CH:24][CH:25]=2)[CH2:14][CH2:13]3)[CH:7]=[CH:8][CH:9]=1)[CH3:2]

Participants

5

Procedure

A solution of 59.3 in THF/MeOH (1:1, 2 mL), was treated with 2N NaOH aqueous solution (1 mL) and stirred for overnight at room temperature. The reaction mixture was acidified with aqueous 4N HCl and extracted with EtOAc to obtain 59, which was purified by preparative HPLC, eluting with 5˜95% ACN in water containing 0.1% TFA. MS ESI (neg.) m/e: 439.1 (M−H). 1HNMR (MeOD-d4) δ 7.65 (br, 1H), 7.48 (s, 1H), 7.38 (d, 1H, J=7.02 Hz), 7.32 (t, 1H, J=7.12 Hz), 7.18 (d, 1H, J=6.57 Hz), 7.14 (s, 1H), 7.06 (m, 2H), 6.99-6.86 (m, 2H), 6.78 (m, 1H), 4.79 (m, 1H), 4.12 (q, 2H, J=6.50 Hz), 3.86 (m, 1H), 3.15-3.01 (m, 2H), 2.54-2.42 (m, 2H), 2.03 (m, 1H), 1.74 (ss, 3H), 1.42 (t, 3H, J=6.74 Hz).

Workup

  1. extractionextracted with EtOAc

Sources & evidence

ORD record
ord-105c444eb534496c8dd1a3a785eb69a8
Source dataset
uspto-grants-2009_09
Patent number
US07582803B2

Reaction notes

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