Phenanthro[1,2-b]furan-2-carbaldehyde → Phenanthro[1,2-b]thiophene-2-carbaldehyde
Reaction equation
C1C2C=CC3C4C=CC=CC=4C=CC=3C=2OC=1C=O.[CH:20]1[C:21]2[CH:38]=[CH:37][C:36]3[C:35]4[CH:34]=[CH:33][CH:32]=[CH:31][C:30]=4[CH:29]=[CH:28][C:27]=3[C:22]=2[S:23][C:24]=1[CH2:25][OH:26]>C(Cl)Cl.CCCCCC>[CH:20]1[C:21]2[CH:38]=[CH:37][C:36]3[C:35]4[CH:34]=[CH:33][CH:32]=[CH:31][C:30]=4[CH:29]=[CH:28][C:27]=3[C:22]=2[S:23][C:24]=1[CH:25]=[O:26]Participants
4
Procedure
Using the procedure outlined in 14B, phenanthro[1,2-b]thiophene-2-methanol (16A) gave a 82.9% yield of phenanthro[1,2-b]thiophene-2-carbaldehyde, mp 209°-210°, (C,H,S), (CH2Cl2 /hexane).
Sources & evidence
- ORD record
- ord-a2a4bd6e54a4479195c557491b0daffe
- Source dataset
- uspto-grants-1989_01
- Patent number
- US04797495
Reaction notes
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