Trifluoroacetic acid → HCID 11504069, compound

HRID 271291Notes

Reaction equation

HRID 271291 reaction equation
C(OC([N:8]1[CH2:15][CH:14]2[CH:10]([N:11]=[C:12]([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)[O:13]2)[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:12]4[O:13][CH:14]5[CH2:15][NH:8][CH2:9][CH:10]5[N:11]=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 59835165HCID 59835165, compound

Product 1

HCID 11504069HCID 11504069, compound

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

N4-[3-Chloro-4-(pyridin-2-ylmethoxy)-phenyl]-N6-(4,5,6,6a-tetrahydro-3aH-pyrrolo[3,4-d]oxazol-2-yl)-quinazoline-4,6-diamine is prepared from 2-{4-[3-Chloro-4-(pyridin-2-ylmethoxy)-phenylamino]-quinazolin-6-ylamino}-3a,4,6,6a-tetrahydro-pyrrolo[3,4-d]oxazole-5-carboxylic acid tert-butyl ester by standard BOC deprotection methods using TFA in methylene chloride. MS APCI (+) m/z 488, 490 (M+1, Cl pattern) detected; 1H NMR (400 mHz, CD3OD) δ 8.56 (d, 1H), 8.44 (s, 1H), 8.21 (br. s, 1H), 7.91 (m, 2H), 7.70 (m, 2H), 7.63 (d, 1H), 7.57 (d, 1H), 7.39 (m, 1H), 7.16 (d, 1H), 5.28 (s, 2H), 5.17 (m, 1H), 4.78 (m, 1H), 3.34 (d, 1H), 3.16 (d, 1H), 2.84 (m, 2H).

Sources & evidence

ORD record
ord-7776fa7e68624c62b26814e6c8282250
Source dataset
uspto-grants-2008_11
Patent number
US07452895B2

Reaction notes

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