28-C-ethyllupeol 3β-O-(2,3,4-tri-O-benzoyl-α-L-rhamnopyranoside)

Base Information

Chemical Name:28-C-ethyllupeol 3β-O-(2,3,4-tri-O-benzoyl-α-L-rhamnopyranoside)
CAS No.:1587722-57-3
Molecular Formula:C₅₉H₇₆O₈
Molecular Weight:913.248
Hs Code.:

Synonyms:28-C-ethyllupeol 3β-O-(2,3,4-tri-O-benzoyl-α-L-rhamnopyranoside)

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of 28-C-ethyllupeol 3β-O-(2,3,4-tri-O-benzoyl-α-L-rhamnopyranoside)

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Technology Process of 28-C-ethyllupeol 3β-O-(2,3,4-tri-O-benzoyl-α-L-rhamnopyranoside)

There total 3 articles about 28-C-ethyllupeol 3β-O-(2,3,4-tri-O-benzoyl-α-L-rhamnopyranoside) 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: 68.0%

: 1587722-25-5
28-C-ethyl-lup-20⁽²⁹⁾-en-3-ol

: 206257-92-3
2,3,4-tri-O-benzoyl-α/β-L- rhamnopyranoside trichloroacetimidate

: 1587722-57-3
28-C-ethyllupeol 3β-O-(2,3,4-tri-O-benzoyl-α-L-rhamnopyranoside)

Guidance literature:: With trimethylsilyl trifluoromethanesulfonate; In dichloromethane; at -40 ℃; for 0.333333h; Molecular sieve;
DOI:10.1016/j.tet.2014.03.006

Reference yield:

: phenyl (3-O-acetyl-28-C-ethyl)betulinyl thiocarbonate

: 1587722-57-3
28-C-ethyllupeol 3β-O-(2,3,4-tri-O-benzoyl-α-L-rhamnopyranoside)

Guidance literature:: Multi-step reaction with 3 steps

1: 2,2'-azobis(isobutyronitrile); tris-(trimethylsilyl)silane / toluene / 5 h / 80 °C / Inert atmosphere

2: lithium aluminium tetrahydride / tetrahydrofuran / 0.5 h

3: trimethylsilyl trifluoromethanesulfonate / dichloromethane / 0.33 h / -40 °C / Molecular sieve

With lithium aluminium tetrahydride; 2,2'-azobis(isobutyronitrile); trimethylsilyl trifluoromethanesulfonate; tris-(trimethylsilyl)silane; In tetrahydrofuran; dichloromethane; toluene;
DOI:10.1016/j.tet.2014.03.006

Reference yield:

: 1587722-49-3
3-O-acetyl-28-C-ethyl-lup-20⁽²⁹⁾-en-3-ol

: 1587722-57-3
28-C-ethyllupeol 3β-O-(2,3,4-tri-O-benzoyl-α-L-rhamnopyranoside)

Guidance literature:: Multi-step reaction with 2 steps

1: lithium aluminium tetrahydride / tetrahydrofuran / 0.5 h

2: trimethylsilyl trifluoromethanesulfonate / dichloromethane / 0.33 h / -40 °C / Molecular sieve

With lithium aluminium tetrahydride; trimethylsilyl trifluoromethanesulfonate; In tetrahydrofuran; dichloromethane;
DOI:10.1016/j.tet.2014.03.006