Trifluoroacetic acid → HCID 11670473, compound

HRID 271286Notes

Reaction equation

HRID 271286 reaction equation
C(OC([N:8]1[CH2:44][CH2:43][C:11]2([N:15]=[C:14]([NH:16][C:17]3[CH:18]=[C:19]4[C:24](=[CH:25][CH:26]=3)[N:23]=[CH:22][N:21]=[C:20]4[NH:27][C:28]3[CH:33]=[CH:32][C:31]([O:34][C:35]4[CH:36]=[N:37][C:38]([CH3:41])=[CH:39][CH:40]=4)=[C:30]([CH3:42])[CH:29]=3)[O:13][CH2:12]2)[CH2:10][CH2:9]1)=O)(C)(C)C.C(O)(C(F)(F)F)=O>C(Cl)Cl>[CH3:42][C:30]1[CH:29]=[C:28]([NH:27][C:20]2[C:19]3[C:24](=[CH:25][CH:26]=[C:17]([NH:16][C:14]4[O:13][CH2:12][C:11]5([CH2:43][CH2:44][NH:8][CH2:9][CH2:10]5)[N:15]=4)[CH:18]=3)[N:23]=[CH:22][N:21]=2)[CH:33]=[CH:32][C:31]=1[O:34][C:35]1[CH:36]=[N:37][C:38]([CH3:41])=[CH:39][CH:40]=1

Participants

4

Reactant 2

HCID 6422Trifluoroacetic acidHCID 67432600HCID 67432600, compound

Product 1

HCID 11670473HCID 11670473, compound

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

N4-[3-Methyl-4-(6-methylpyridin-3-yloxy)-phenyl]-N6-(3-oxa-1,8-diazaspiro[4.5]dec-1-en-2-yl)-quinazoline-4,6-diamine is prepared from 2-{4-[3-methyl-4-(6-methylpyridin-3-yloxy)-phenylamino]-quinazolin-6-ylamino}-3-oxa-1,8-diaza-spiro[4.5]dec-1-ene-8-carboxylic acid tert-butyl ester by standard BOC deprotection methods using TFA in methylene chloride. MS ESI (+) m/z 496 (M+1) detected; 1H NMR (400 mHz, CD3OD) δ 8.43 (s, 1H), 8.39 (s, 1H), 8.12 (d, 1H), 7.70 (m, 3H), 7.61 (dd, 1H), 7.28 (m, 2H), 6.98 (d, 1H), 3.45 (m, 2H), 3.32 (m, 2H), 3.25 (m, 2H) 2.50 (s, 3H), 2.32 (m, 2H), 2.25 (s, 3H), 2.01 (m, 2H).

Sources & evidence

ORD record
ord-a5cb3f2ec4d14e0f93c30f485a9448e0
Source dataset
uspto-grants-2008_11
Patent number
US07452895B2

Reaction notes

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