2-carboxy-7-mercapto-8n-propyl-4-oxo-4H-1-benzopyran → 2-Carbomethoxy-7-mercapto-4-oxo-4H-1-benzopyran

HRID 34322Notes

Reaction equation

HRID 34322 reaction equation
[C:1]([C:4]1[O:5][C:6]2[CH:14]=[C:13]([SH:15])[CH:12]=[CH:11][C:7]=2[C:8](=[O:10])[CH:9]=1)([OH:3])=[O:2].[C:16](C1OC2C(CCC)=C(S)C=CC=2C(=O)C=1)(O)=O>>[C:1]([C:4]1[O:5][C:6]2[CH:14]=[C:13]([SH:15])[CH:12]=[CH:11][C:7]=2[C:8](=[O:10])[CH:9]=1)([O:3][CH3:16])=[O:2]

Participants

3

Reactant 2

HCID 137449092-carboxy-7-mercapto-8n-propyl-4-oxo-4H-1-benzopyranHCID 137449132-Carboxy-7-mercapto-4-oxo-4H-1-benzopyran

Product 1

HCID 137449112-Carbomethoxy-7-mercapto-4-oxo-4H-1-benzopyran

Procedure

Following the procedure of Step 4 of Example 1 but substituting an equivalent amount of the acid from Step 3 above for 2-carboxy-7-mercapto-8n-propyl-4-oxo-4H-1-benzopyran, there was obtained the title compound, m.p. 147°-150°.

Sources & evidence

ORD record
ord-a6061243300446c6b0190b4acee2f2f7
Source dataset
uspto-grants-1988_08
Patent number
US04761425

Reaction notes

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