Lithium Hydroxide → HCID 56599322, compound

HRID 514051Notes

Reaction equation

[C:1]([O:5][CH:6]([C:12]1[C:21]([CH3:22])=[CH:20][C:19]2[C:14](=[CH:15][CH:16]=[C:17]([O:23][CH3:24])[CH:18]=2)[C:13]=1[C:25]1[CH:30]=[CH:29][C:28]([Cl:31])=[CH:27][CH:26]=1)[C:7]([O:9]CC)=[O:8])([CH3:4])([CH3:3])[CH3:2].[OH-].[Li+]>O1CCCC1.C(O)C.O>[C:1]([O:5][CH:6]([C:12]1[C:21]([CH3:22])=[CH:20][C:19]2[C:14](=[CH:15][CH:16]=[C:17]([O:23][CH3:24])[CH:18]=2)[C:13]=1[C:25]1[CH:30]=[CH:29][C:28]([Cl:31])=[CH:27][CH:26]=1)[C:7]([OH:9])=[O:8])([CH3:4])([CH3:2])[CH3:3]

Participants

Conditions

Temperature: 50 °C

Procedure

To a solution of ethyl 2-tert-butoxy-2-(1-(4-chlorophenyl)-6-methoxy-3-methylnaphthalen-2-yl)acetate (16.2 mg, 0.037 mmol) in tetrahydrofuran:ethanol:water (2:2:1, 2.5 mL) was added lithium hydroxide (4 mg, 0.183 mmol) and the reaction was heated at 50° C. overnight. The reaction was purified by reverse phase HPLC (Gemini, 20-90% ACN/H2O+0.1% TFA) to give a white powder (12 mg). 1H-NMR: 400 MHz, (CD3OD) δ: 7.60 (s, 1H), 7.55 (m, 3H), 7.30 (m, 1H), 7.17 (d, J=2.8 Hz, 1H), 7.13 (d, J=9.6 Hz, 1H), 6.94 (dd, J=9.2, 2.8 Hz, 1H), 5.15 (s, 1H), 3.90 (s, 3H), 2.58 (s, 3H), 0.98 (s, 9H). LCMS-ESI− (m/z): [M−H]− calcd for C24H24ClO4: 411.14; found: 411.14.

Workup

customThe reaction was purified by reverse phase HPLC (Gemini, 20-90% ACN/H2O+0.1% TFA)

Sources & evidence

ORD record: ord-f0f333c58a714aaeafb63f594982bacf
Source dataset: uspto-grants-2015_08
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US09102614B2

Reaction notes

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