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18162-48-6872-50-4Methylene ChloridenaphthaleneTHFTitanium Dioxide
633-72-7

3-O-Methylpyridoxine synthesis

9synthesis methods
615-79-2 Synthesis
Ethyl 2,4-dioxovalerate

615-79-2
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3-O-Methylpyridoxine

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Yield:-

Steps:

Multi-step reaction with 8 steps
1: diethylamine; ethanol
2: urea; acetic acid anhydride; HNO3
3: POCl3; PCl5 / 120 - 130 °C
4: palladium/BaCO3; ethanol / 36775.4 - 44130.5 Torr / Hydrogenation
5: concentrated aqueous HCl
6: aqueous H2SO4; aqueous NaNO2 / 90 - 95 °C
7: diethyl ether; methanol / -15 °C
8: lithium alanate; diethyl ether / 0 °C

References:

Wuest et al. [Recueil des Travaux Chimiques des Pays-Bas,1959,vol. 78,p. 226,240]

3,4-Pyridinedicarboxylic acid, 5-methoxy-6-methyl-, 3,4-dimethyl ester

103796-31-2
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3-O-Methylpyridoxine

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References
18619-97-1 Synthesis
ETHYL 3-CYANO-2-HYDROXY-6-METHYLISONICOTINATE

18619-97-1
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3-O-Methylpyridoxine

633-72-7
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References
72701-63-4 Synthesis
ETHYL 2-CHLORO-3-CYANO-6-METHYL-5-NITROPYRIDINE-4-CARBOXYLATE

72701-63-4
22 suppliers
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3-O-Methylpyridoxine

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References
5427-92-9 Synthesis
ethyl 3-cyano-2-hydroxy-6-methyl-5-nitroisonicotinate

5427-92-9
11 suppliers
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3-O-Methylpyridoxine

633-72-7
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References