2-Bromopropane → 5-Isopropylthiopyrano[3,2-b]indol-4(5H)-one
Reaction equation
[S:1]1[C:13]2[C:12]3[CH:11]=[CH:10][CH:9]=[CH:8][C:7]=3[NH:6][C:5]=2[C:4](=[O:14])[CH:3]=[CH:2]1.[CH:15](Br)([CH3:17])[CH3:16]>>[CH:15]([N:6]1[C:7]2[CH:8]=[CH:9][CH:10]=[CH:11][C:12]=2[C:13]2[S:1][CH:2]=[CH:3][C:4](=[O:14])[C:5]1=2)([CH3:17])[CH3:16]Participants
3
Procedure
By the same method as described in Example 7, 4.8 g of thiopyrano[3,2-b]indol-4(5H)-one is alkylated with isopropyl bromide to give 2.4 g of product, mp 154°-6° C, after recrystallization from methylene chloride-hexane.
Sources & evidence
- ORD record
- ord-d72a9ed53f094ea5b6d713b25dc04af4
- Source dataset
- uspto-grants-1977_12
- Patent number
- US04064123
Reaction notes
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