249296-17-1

Upstream product

• 115148-04-4 4-(benzyloxy)-2,6-bis(hydroxymethyl)pyridine 
• 98-59-9 p-toluenesulfonyl chloride 
• 99097-42-4 4-benzyloxypyridine-2,6-dicarboxylic dimethyl ester 
• 20443-03-2 4-oxo-1,4-dihydro-pyridine-2,6-dicarboxylic acid dimethyl ester 
• 100-44-7 benzyl chloride 

Downstream Products

• 623948-01-6 (4S,5S,13S,14S)-19-benzyloxy-4,5,13,14-tetrabutoxymethyl-3,6,9,12,15-pentaoxa-21-azabicyclo-[15.3.1]heneicosa-1⁽²¹⁾,17,19-triene 
• 623947-99-9 (4R,5R,13R,14R)-19-benzyloxy-4,5,13,14-tetrabutyl-3,6,9,12,15-pentaoxa-21-azabicyclo-[15.3.1]heneicosa-1⁽²¹⁾,17,19-triene 
• 423169-09-9 19-benzyloxy-5,5,13,13-tetrahexyl-3,6,9,12,15-pentaoxa-21-azabicyclo[15.3.1]heneicosa-1⁽²¹⁾,17,19-triene 
• 260967-75-7 (4S,14S)-(+)-19-benzyloxy-4,14-dimethyl-3,6,9,12,15-pentaoxa-21-azabicyclo[15.3.1]heneicosa-1⁽²¹⁾,17,19-triene 

Relevant academic research and scientific papers

A new efficient method for the preparation of 2,6-pyridinedimethyl ditosylates from dimethyl 2,6-pyridinedicarboxylates

We report here an efficient method for the preparation of 2,6- pyridinedimethyl ditosylate and four of its 4-substituted derivatives, two of them have not been reported in the literature. We also describe here a modification of the reported synthesis for chelidonic and chelidamic acids with improved yields and higher purity.