14β-hydroxy-21-nitro-3β-[(tri-O-benzoyl-α-L-rhamnopyranosyl)oxy]-5β-pregna-20,21-diene

Base Information

Chemical Name:14β-hydroxy-21-nitro-3β-[(tri-O-benzoyl-α-L-rhamnopyranosyl)oxy]-5β-pregna-20,21-diene
CAS No.:188976-75-2
Molecular Formula:C₄₈H₅₅NO₁₁
Molecular Weight:821.965
Hs Code.:

Synonyms:14β-hydroxy-21-nitro-3β-[(tri-O-benzoyl-α-L-rhamnopyranosyl)oxy]-5β-pregna-20,21-diene

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Chemical Property of 14β-hydroxy-21-nitro-3β-[(tri-O-benzoyl-α-L-rhamnopyranosyl)oxy]-5β-pregna-20,21-diene

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Technology Process of 14β-hydroxy-21-nitro-3β-[(tri-O-benzoyl-α-L-rhamnopyranosyl)oxy]-5β-pregna-20,21-diene

There total 2 articles about 14β-hydroxy-21-nitro-3β-[(tri-O-benzoyl-α-L-rhamnopyranosyl)oxy]-5β-pregna-20,21-diene 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: 46.0%

: 189102-09-8
3β-[(tri-O'-benzoyl-α-L-rhamnopyranosyl)oxy]-21-nitro-5β-pregnane-14β,20(R)-diol

: 188976-75-2
14β-hydroxy-21-nitro-3β-[(tri-O-benzoyl-α-L-rhamnopyranosyl)oxy]-5β-pregna-20,21-diene

Guidance literature:: With dmap; acetic anhydride; In diethyl ether; for 14h;
DOI:10.1021/jm960880l

Reference yield:

: 145345-70-6
14-hydroxy-3β-<(tri-O-benzoyl-α-L-rhamnopyranosyl)oxy>-21-nor-5β,14β-pregnane-20-carboxaldehyde

: 188976-75-2
14β-hydroxy-21-nitro-3β-[(tri-O-benzoyl-α-L-rhamnopyranosyl)oxy]-5β-pregna-20,21-diene

Guidance literature:: Multi-step reaction with 2 steps

1: 38 percent / KF / propan-2-ol / 16 h

2: 46 percent / Ac₂O, DMAP / diethyl ether / 14 h

With dmap; potassium fluoride; acetic anhydride; In diethyl ether; isopropyl alcohol;
DOI:10.1021/jm960880l