3-Hydroxymethyl-4-(3-thienyl)-7-hydroxy-2-naphthoic acid → 3-Hydroxymethyl-4-(3-furyl)-7-hydroxy-2-naphthoic acid
Reaction equation
[OH:1][C:2]1[C:3]([C:19]([OH:21])=[O:20])=[C:4]([CH3:18])[C:5]2[C:10]([C:11]=1[C:12]1[CH:16]=[CH:15][O:14][CH:13]=1)=[CH:9][CH:8]=[C:7]([OH:17])[CH:6]=2.[OH:22][CH2:23]C1C(C(O)=O)=CC2C(C=1C1C=CSC=1)=CC=C(O)C=2>>[OH:22][CH2:23][C:2]1[C:3]([C:19]([OH:21])=[O:20])=[CH:4][C:5]2[C:10]([C:11]=1[C:12]1[CH:16]=[CH:15][O:14][CH:13]=1)=[CH:9][CH:8]=[C:7]([OH:17])[CH:6]=2.[OH:1][C:2]1[C:3]([C:19]([OH:21])=[O:20])=[C:4]([CH3:18])[C:5]2[C:10]([C:11]=1[C:12]1[CH:16]=[CH:15][O:14][CH:13]=1)=[CH:9][CH:8]=[C:7]([OH:17])[CH:6]=2Participants
4
Procedure
Following the procedure described in Example 7, but substituting 6-[4-(4-hydroxy)tetrahydropyranyl]pyridin-2-ylmethanol (Alcohol 2) for 5-[4-(4-hydroxy)tetrahydropyzanyl]pyridin-3-ylmethanol (Alcohol 1), and substituting 3-hydroxymethyl-4-(3-thienyl)-7-hydroxy-2-naphthoic acid, lactone form (Lactone 4), for 3-hydroxymethyl-4-(3-furyl)-7-hydroxy-2-naphthoic acid, lactone form (Lactone 1), the title compound was obtained as a solid.
Sources & evidence
- ORD record
- ord-64bf55772691454392d45adb10e1e033
- Source dataset
- uspto-grants-1995_06
- Patent number
- US05428060
Reaction notes
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