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5H-[1,3]DIOXOLO[4,5-F]INDOLE-6-CARBOXYLIC ACID METHYL ESTER synthesis

3synthesis methods
2-Propenoic acid, 2-azido-3-(1,3-benzodioxol-5-yl)-, methyl ester, (2Z)-

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5H-[1,3]DIOXOLO[4,5-F]INDOLE-6-CARBOXYLIC ACID METHYL ESTER

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Yield:-

Steps:

78 Methyl 5,6-methylenedioxyindole-2-carboxylate

PREPARATION 78 Methyl 5,6-methylenedioxyindole-2-carboxylate Following the general procedure of PREPARATION 62 and making non-critical variations but starting with methyl 3,4-methylenedioxy-α-azidocinnamate (PREPARATION 77, 5.38 g), the title compound is obtained, NMR (300 MHz, CDCl3) 8.90, 7.08, 6.99, 6.82, 5.97 and 3.91 δ.

References:

US5489593,1996,A

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