N-Iodosuccinimide → 7-{(E)-2-[2-(Cyclopropylmethoxy)-3-methoxyphenyl]vinyl}-6-iodo-2-methyl-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-one
Reaction equation
[CH:1]1([CH2:4][O:5][C:6]2[C:11]([O:12][CH3:13])=[CH:10][CH:9]=[CH:8][C:7]=2/[CH:14]=[CH:15]/[C:16]2[N:17]=[C:18]3[S:25][C:24]([CH3:26])=[CH:23][N:19]3[C:20](=[O:22])[CH:21]=2)[CH2:3][CH2:2]1.[I:27]N1C(=O)CCC1=O>C(#N)C>[CH:1]1([CH2:4][O:5][C:6]2[C:11]([O:12][CH3:13])=[CH:10][CH:9]=[CH:8][C:7]=2/[CH:14]=[CH:15]/[C:16]2[N:17]=[C:18]3[S:25][C:24]([CH3:26])=[CH:23][N:19]3[C:20](=[O:22])[C:21]=2[I:27])[CH2:3][CH2:2]1Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
To a solution of Step 3 intermediate (700 mg, 1.810 mmol) in acetonitrile (10 ml) was added N-iodosuccinimide (641 mg, 2.841 mmol) and reacted according to the procedure described in Step 4, Intermediate 2 to afford 600 mg of the desired compound; 1H NMR (300 MHz, CDCl3) δ 0.31-0.33 (m, 2H), 0.53-0.56 (m, 2H), 1.22 (br s, 1H), 2.43 (s, 3H), 3.76-3.81 (m, 2H), 3.81 (s, 3H), 7.05-7.11 (m, 2H), 7.25-7.28 (m, 1H), 7.51 (d, J=15.6 Hz, 1H), 7.80 (s, 1H), 8.14 (d, J=15.6 Hz, 1H); ESI-MS (m/z) 495.10 (M+H)+.
Workup
- customreacted
Sources & evidence
- ORD record
- ord-36727edf054b4c18ad4489d7d707d5b2
- Source dataset
- uspto-grants-2013_08
- Patent number
- US08518955B2
Reaction notes
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