Hydroxyamine hydrochloride → HCID 18996188, compound
Reaction equation
[CH3:1][C:2]1([CH3:25])[O:6][C:5]([C:8]2[CH:9]=[C:10]([S:13][C:14]3[CH:23]=[C:22]4[C:17]([C:18](=O)[CH2:19][CH2:20][O:21]4)=[CH:16][CH:15]=3)[S:11][CH:12]=2)([CH3:7])[CH2:4][O:3]1.Cl.[NH2:27][OH:28]>>[CH3:1][C:2]1([CH3:25])[O:6][C:5]([C:8]2[CH:9]=[C:10]([S:13][C:14]3[CH:23]=[C:22]4[C:17](/[C:18](=[N:27]/[OH:28])/[CH2:19][CH2:20][O:21]4)=[CH:16][CH:15]=3)[S:11][CH:12]=2)([CH3:7])[CH2:4][O:3]1Participants
3
Procedure
Using an analogous procedure to that described in Example 68, 7-[4-(2,2,4-trimethyl-1,3-dioxolan-4-yl)thien-2-ylthio]chroman-4-one was reacted with hydroxylamine hydrochloride to give (E)-7-[4-(2,2,4-trimethyl-1,3-dioxolan-4-yl)thien-2-ylthio]chroman-4-one oxime in 65% yield as a gum.
Sources & evidence
- ORD record
- ord-d943901dc99240a4b197604d9105c3e8
- Source dataset
- uspto-grants-1994_07
- Patent number
- US05332757
Reaction notes
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