Methyl 7-[2-((Z)-3-diethylaminoprop-1-enyl)-4-fluorobenzenesulfonylamino]-4H-furo[2,3-c]chromene-6-carboxylate → Methyl cis-(3aRS,9bRS)-7-[2-((Z)-3-diethylaminoprop-1-enyl)-4-fluorobenzenesulfonylamino]-1,3a,4,9b-tetrahydro-2H-furo[2,3-c]chromene-6-carboxylate
Reaction equation
[CH2:1]([N:3]([CH2:35][CH3:36])[CH2:4]/[CH:5]=[CH:6]\[C:7]1[CH:12]=[C:11]([F:13])[CH:10]=[CH:9][C:8]=1[S:14]([NH:17][C:18]1[C:27]([C:28]([O:30][CH3:31])=[O:29])=[C:26]2[C:21]([C:22]3[CH:34]=[CH:33][O:32][C:23]=3[CH2:24][O:25]2)=[CH:20][CH:19]=1)(=[O:16])=[O:15])[CH3:2].BrC1C=C(F)C=CC=1S(NC1C(C(OC)=O)=C2C([C@H]3CCO[C@H]3CO2)=CC=1)(=O)=O.C(N(CC)C/C=C\[Sn](CCCC)(CCCC)CCCC)C>>[CH2:35]([N:3]([CH2:1][CH3:2])[CH2:4]/[CH:5]=[CH:6]\[C:7]1[CH:12]=[C:11]([F:13])[CH:10]=[CH:9][C:8]=1[S:14]([NH:17][C:18]1[C:27]([C:28]([O:30][CH3:31])=[O:29])=[C:26]2[C:21]([C@H:22]3[CH2:34][CH2:33][O:32][C@H:23]3[CH2:24][O:25]2)=[CH:20][CH:19]=1)(=[O:15])=[O:16])[CH3:36]Participants
4
Reactant 3
Product 1
Conditions
- Temperature
- 80 °C
Procedure
Prepared by proceeding in a similar manner to Intermediate 9, starting from methyl cis-(3aRS,9bRS)-7-(2-bromo-4-fluorobenzenesulfonylamino)-1,3a,4,9b-tetrahydro-2H-furo[2,3-c]chromene-6-carboxylate (Intermediate 18) and N,N-diethyl-N—((Z)-1-tributylstannanylprop-1-en-3-yl)-amine (Intermediate 11) and heating at 80° C. for 2 hours.
Workup
- customPrepared
Sources & evidence
- ORD record
- ord-fd82e7dfa6644341a55981317efd079b
- Source dataset
- uspto-grants-2016_03
- Patent number
- US09290472B2
Reaction notes
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