Trifluoroacetic acid → HCID 57581670, compound

HRID 271288Notes

Reaction equation

HRID 271288 reaction equation
C(OC([N:8]1[CH2:44][CH2:43][C:11]2([O: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][CH2:35][C:36]4[CH:41]=[CH:40][CH:39]=[CH:38][N:37]=4)=[C:30]([Cl:42])[CH:29]=3)=[N:13][CH2:12]2)[CH2:10][CH2:9]1)=O)(C)(C)C.C(O)(C(F)(F)F)=O>C(Cl)Cl>[Cl: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:15][C:11]5([CH2:43][CH2:44][NH:8][CH2:9][CH2:10]5)[CH2:12][N:13]=4)[CH:18]=3)[N:23]=[CH:22][N:21]=2)[CH:33]=[CH:32][C:31]=1[O:34][CH2:35][C:36]1[CH:41]=[CH:40][CH:39]=[CH:38][N:37]=1

Participants

4

Reactant 2

HCID 6422Trifluoroacetic acidHCID 67426196HCID 67426196, compound

Product 1

HCID 57581670HCID 57581670, compound

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

N4-[3-Chloro-4-(pyridin-2-ylmethoxy)-phenyl]-N6-(1-oxa-3,8-diaza-spiro[4.5]dec-2-en-2-yl)-quinazoline-4,6-diamine is prepared from 2-{4-[3-chloro-4-(pyridin-2-ylmethoxy)-phenylamino]-quinazolin-6-ylamino}-1-oxa-3,8-diaza-spiro[4.5]dec-2-ene-8-carboxylic acid tert-butyl ester by standard BOC deprotection methods using TFA in methylene chloride. MS ESI (+) m/z 516, 518 (M+1, Cl pattern) detected; 1H NMR (400 mHz, CDCl3) δ 8.61 (s, 1H), 8.58 (d, 1H), 8.22 (bs, 1H), 7.97 (d, 1H), 7.70 (m, 2H), 7.67 (d, 1H), 7.64 (dd, 1H), 7.35 (d, 1H), 7.26 (m, 1H), 7.02 (d, 1H), 5.31 (s, 2H), 3.73 (s, 2H), 3.05 (m, 2H), 2.96 (m, 2H), 1.97 (m, 2H), 1.80 (m, 2H).

Sources & evidence

ORD record
ord-8f01d56c194f4f6ba5a259703a2f9440
Source dataset
uspto-grants-2008_11
Patent number
US07452895B2

Reaction notes

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