2-Diazo-malonic acid (3S,8R,9S,10R,13S,14S,17S)-17-acetoxy-10,13-dimethyl-4-phenylsulfanylmethyl-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester ethyl ester

Base Information

Chemical Name:2-Diazo-malonic acid (3S,8R,9S,10R,13S,14S,17S)-17-acetoxy-10,13-dimethyl-4-phenylsulfanylmethyl-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester ethyl ester
CAS No.:139294-45-4
Molecular Formula:C₃₃H₄₂N₂O₆S
Molecular Weight:594.772
Hs Code.:

2-Diazo-malonic acid (3S,8R,9S,10R,13S,14S,17S)-17-acetoxy-10,13-dimethyl-4-phenylsulfanylmethyl-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester ethyl ester

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Chemical Property of 2-Diazo-malonic acid (3S,8R,9S,10R,13S,14S,17S)-17-acetoxy-10,13-dimethyl-4-phenylsulfanylmethyl-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester ethyl ester

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Technology Process of 2-Diazo-malonic acid (3S,8R,9S,10R,13S,14S,17S)-17-acetoxy-10,13-dimethyl-4-phenylsulfanylmethyl-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester ethyl ester

There total 2 articles about 2-Diazo-malonic acid (3S,8R,9S,10R,13S,14S,17S)-17-acetoxy-10,13-dimethyl-4-phenylsulfanylmethyl-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester ethyl ester which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

: 139294-37-4
Malonic acid (3S,8R,9S,10R,13S,14S,17S)-17-acetoxy-10,13-dimethyl-4-phenylsulfanylmethyl-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester ethyl ester

: 139294-45-4
2-Diazo-malonic acid (3S,8R,9S,10R,13S,14S,17S)-17-acetoxy-10,13-dimethyl-4-phenylsulfanylmethyl-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester ethyl ester

Guidance literature:: With 4-toluenesulfonyl azide; triethylamine; In acetonitrile; at 45 ℃; Yield given;
DOI:10.1016/0040-4039(91)80778-5

Reference yield:

: 139294-29-4
Acetic acid (3S,8R,9S,10R,13S,14S,17S)-3-hydroxy-10,13-dimethyl-4-phenylsulfanylmethyl-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl ester

: 139294-45-4
2-Diazo-malonic acid (3S,8R,9S,10R,13S,14S,17S)-17-acetoxy-10,13-dimethyl-4-phenylsulfanylmethyl-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester ethyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: DCC, DMAP / CH₂Cl₂ / 35 °C

2: tosyl azide, NEt₃ / acetonitrile / 45 °C

With dmap; 4-toluenesulfonyl azide; triethylamine; dicyclohexyl-carbodiimide; In dichloromethane; acetonitrile;
DOI:10.1016/0040-4039(91)80778-5