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ChemicalBook CAS DataBase List N-[(S)-5,6,7,9-Tetrahydro-1,2,3,10-tetramethoxy-9-oxobenzo[a]heptalen-7-yl]-2,2,2-trifluoroacetamide

N-[(S)-5,6,7,9-Tetrahydro-1,2,3,10-tetramethoxy-9-oxobenzo[a]heptalen-7-yl]-2,2,2-trifluoroacetamide synthesis

6synthesis methods
68296-64-0 Synthesis
(R/S)-N-Deacetyl Colchiceine

68296-64-0
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Yield:-

Steps:

Multi-step reaction with 5 steps
1: 79 percent / Na2CO3 / diethyl ether / 2.5 h / Ambient temperature
2: 46 percent / methanol; diethyl ether / 3 h
3: 70 percent / K2CO3 / acetone; H2O / 60 °C
5: 75 percent / Na2CO3 / diethyl ether / 2.5 h / Ambient temperature

References:

Dumont;Brossi;Silverton [Journal of Organic Chemistry,1986,vol. 51,# 13,p. 2515 - 2521]