4,6-Dimethoxypicolinic acid synthesis
- Product Name:4,6-Dimethoxypicolinic acid
- CAS Number:90764-84-4
- Molecular formula:C8H9NO4
- Molecular Weight:183.16
65873-70-3
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90764-84-4
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Yield:90764-84-4 70.5%
Steps:
S.24.2 (2)
(2) Synthesis of 4,6-dimethoxypicolinic acid [Compound (II-77)] Using 4,6-dimethoxypicolinic acid methyl ester [Compound (V-77)] (0.148 g, 0.75 mmol), the Compound (II-77) was synthesised according to the process of Synthesis Example 20 (3). White solid, m.p.: 145-148° C., yield: 0.0966 g, percent yield: 70.5%. IR KBr cm-1: 1701, 1620, 1473, 1296, 1218. 1H-NMR (60 MHz, d6-DMSO, δ): 3.75 (3H, OCH3), 3.80 (3H, s, OCH3), 6.4 (1H, d, J=2 Hz, pyridine ring H), 7.1 (1H, d, J=2 Hz, pyridine ring H), COOH indistinctness.
References:
US6610853,2003,B1
88912-25-8
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124-41-4
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90764-84-4
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