Water → Osimertinib

HRID 1842638Notes

Reaction equation

Cl[CH2:2][CH2:3][C:4]([NH:6][C:7]1[CH:12]=[C:11]([NH:13][C:14]2[N:19]=[C:18]([C:20]3[C:28]4[C:23](=[CH:24][CH:25]=[CH:26][CH:27]=4)[N:22]([CH3:29])[CH:21]=3)[CH:17]=[CH:16][N:15]=2)[C:10]([O:30][CH3:31])=[CH:9][C:8]=1[N:32]([CH2:34][CH2:35][N:36]([CH3:38])[CH3:37])[CH3:33])=[O:5].C(N(CC)CC)C.O>C(#N)C>[CH3:38][N:36]([CH3:37])[CH2:35][CH2:34][N:32]([CH3:33])[C:8]1[CH:9]=[C:10]([O:30][CH3:31])[C:11]([NH:13][C:14]2[N:19]=[C:18]([C:20]3[C:28]4[C:23](=[CH:24][CH:25]=[CH:26][CH:27]=4)[N:22]([CH3:29])[CH:21]=3)[CH:17]=[CH:16][N:15]=2)=[CH:12][C:7]=1[NH:6][C:4](=[O:5])[CH:3]=[CH2:2]

Participants

Conditions

Temperature: 80 °C

Procedure

To a stirred solution of 3-chloro-N-[2-[2-dimethylaminoethyl(methyl)amino]-4-methoxy-5-[[4-(1-methylindol-3-yl)pyrimidin-2-yl]amino]phenyl]propanamide (Intermediate 174, 31.5 g, 58.76 mmol) in acetonitrile (310 mL) was added triethylamine (17.84 g, 176.28 mmol) at r.t. The resulting mixture was heated to 80° C. for 6 h then cooled to r.t. Water (130 mL) was then added and the mixture stirred for 12 h. The mixture was then filtered, washed with a mixture of water and acetonitrile (160 mL, 1:1) and dried at 50° C. for overnight to give the title compound (19.2 g, 94%) as a solid form identified herein as polymorphic form D. 1H NMR: 2.69 (3H, s), 2.83 (6H, d), 3.35 (4H, s), 3.84 (3H, s), 3.91 (3H, s), 5.75 (1H, d), 6.28 (1H, d), 6.67 (1H, dd), 7.05-7.23 (2H, m), 7.29 (1H, t), 7.43 (1H, d), 7.56 (1H, d), 8.21 (2H, s), 8.81 (1H, s), 9.47 (1H, s), 9.52 (1H, s), m/z: ES+ MH+ 500.26.

Workup

temperaturethen cooled to r.t
filtrationThe mixture was then filtered
washwashed with a mixture of water and acetonitrile (160 mL, 1:1)
customdried at 50° C. for overnight

Sources & evidence

ORD record: ord-c7a89d0abd9047459459ae5b0103fc41
Source dataset: uspto-grants-2015_02
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08946235B2

Reaction notes

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