HCID 67657348, compound → HCID 53940374, compound
Reaction equation
S(NN=[C:13]1[CH2:18][CH2:17][C@H:16]2[C@H:19]3[C@H:30]([CH2:31][CH2:32][C@:14]12[CH3:15])[C@:27]1([CH2:28][OH:29])[C:22](=[CH:23][CH:24]([OH:33])[CH2:25][CH2:26]1)[CH2:21][CH2:20]3)(C1C=CC(C)=CC=1)(=O)=O.C([Li])CCC>O1CCCC1.CCCCCC>[OH:33][CH:24]1[CH2:25][CH2:26][C@@:27]2([CH2:28][OH:29])[C:22]([CH2:21][CH2:20][C@@H:19]3[C@@H:30]2[CH2:31][CH2:32][C@@:14]2([CH3:15])[C@H:16]3[CH2:17][CH:18]=[CH:13]2)=[CH:23]1Participants
5
Reactant 2
Product 1
Reagents, catalysts & solvents 2
Procedure
The tosylhydrazone (20) in tetrahydrofuran is treated with n-butyl lithium (BuLi, b) in hexane and the mixture is stirred at room temperature for 16 hours. Aqueous work up is followed by extraction and purification to yield the diene (21) .
Workup
- extractionAqueous work up is followed by extraction and purification
Sources & evidence
- ORD record
- ord-3effeeaadbcc41a5a0a3d13388f53c08
- Source dataset
- uspto-grants-1993_12
- Patent number
- US05272134
Reaction notes
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