1-[2-(4-Aminopiperidin-1-yl)ethyl]-7-methoxy-1,4-dihydro-2H-3,1-benzoxazin-2-one trifluoro acetate → 1-[2-(4-Aminopiperidin-1-yl)ethyl]-7-fluoro-3-methylquinazoline-2,4(1H,3H)-dione

HRID 1644421Notes

Reaction equation

HRID 1644421 reaction equation
C(OC(=O)[NH:7][CH:8]1[CH2:13][CH2:12][N:11]([CH2:14][CH2:15][N:16]2[C:25]3[C:20](=[CH:21][CH:22]=[C:23]([F:26])[CH:24]=3)[C:19](=[O:27])[N:18]([CH3:28])[C:17]2=[O:29])[CH2:10][CH2:9]1)(C)(C)C.FC(F)(F)C(O)=O.NC1CCN(CCN2C3C=C(OC)C=CC=3COC2=O)CC1>>[NH2:7][CH:8]1[CH2:9][CH2:10][N:11]([CH2:14][CH2:15][N:16]2[C:25]3[C:20](=[CH:21][CH:22]=[C:23]([F:26])[CH:24]=3)[C:19](=[O:27])[N:18]([CH3:28])[C:17]2=[O:29])[CH2:12][CH2:13]1

Participants

3

Reactant 2

HCID 667737611-[2-(4-Aminopiperidin-1-yl)ethyl]-7-methoxy-1,4-dihydro-2H-3,1-benzoxazin-2-one trifluoro acetateHCID 86642639tert-Butyl{1-[2-(7-fluoro-3-methyl-2,4-dioxo-3,4-dihydroquinazolin-1(2H)-yl)ethyl]piperidin-4-yl}carbamate2×

Product 1

HCID 667738011-[2-(4-Aminopiperidin-1-yl)ethyl]-7-fluoro-3-methylquinazoline-2,4(1H,3H)-dione

Procedure

tert-Butyl{1-[2-(7-fluoro-3-methyl-2,4-dioxo-3,4-dihydroquinazolin-1(2H)-yl)ethyl]piperidin-4-yl}carbamate (Intermediate 135) (200 mg, 0.476 mmol) was reacted as described for Intermediate 106. The crude trifluoro acetate of the title compound was used without further purification for the next step (quantitative).

Workup

  1. customThe crude trifluoro acetate of the title compound was used without further purification for the next step (quantitative)

Sources & evidence

ORD record
ord-6d971fc8c57941d9b09646d48549d93c
Source dataset
uspto-grants-2012_02
Patent number
US08124602B2

Reaction notes

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