3-methoxy-Ddihomo-estra-17bα-(2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyloxy)-1,3,5(10),16-tetraene

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Chemical Name:3-methoxy-Ddihomo-estra-17bα-(2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyloxy)-1,3,5(10),16-tetraene
CAS No.:1277180-43-4
Molecular Formula:C₅₅H₅₄O₁₁
Molecular Weight:891.027
Hs Code.:

Synonyms:3-methoxy-Ddihomo-estra-17bα-(2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyloxy)-1,3,5(10),16-tetraene

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Chemical Property of 3-methoxy-Ddihomo-estra-17bα-(2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyloxy)-1,3,5(10),16-tetraene

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Technology Process of 3-methoxy-Ddihomo-estra-17bα-(2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyloxy)-1,3,5(10),16-tetraene

There total 3 articles about 3-methoxy-Ddihomo-estra-17bα-(2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyloxy)-1,3,5(10),16-tetraene 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: 75.0%

: 1277180-33-2
(1'R)-13,17-seco-13α-[but-3'-en-1'-(2,3,4,6-tetra-O-benzoyl-β-D-glucopyranosyloxy)-1'-yl]-3-methoxyestra-1,3,5(10),16-tetraene

: 1277180-43-4
3-methoxy-Ddihomo-estra-17bα-(2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyloxy)-1,3,5(10),16-tetraene

Guidance literature:: With tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; In dichloromethane; at 60 ℃; for 4h; Inert atmosphere;
DOI:10.1002/ejoc.201001342

Reference yield:

: 1277180-35-4
(1'R)-13-(1'-hydroxybut-3'-enyl)-3-methoxy-13,17-secoestra-1,2,5⁽¹⁰⁾,16-tetraene

: 1277180-43-4
3-methoxy-Ddihomo-estra-17bα-(2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyloxy)-1,3,5(10),16-tetraene

Guidance literature:: Multi-step reaction with 2 steps

1: trimethylsilyl trifluoromethanesulfonate / dichloromethane / -20 °C / Inert atmosphere; Molecular sieve

2: tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride / dichloromethane / 4 h / 60 °C / Inert atmosphere

With tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; trimethylsilyl trifluoromethanesulfonate; In dichloromethane;
DOI:10.1002/ejoc.201001342

Reference yield:

: 191276-09-2
2,3,4,6-tetra-O-benzoyl-α-D-galactopyranosyl trichloroacetimidate

: 1277180-43-4
3-methoxy-Ddihomo-estra-17bα-(2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyloxy)-1,3,5(10),16-tetraene

Guidance literature:: Multi-step reaction with 2 steps

1: trimethylsilyl trifluoromethanesulfonate / dichloromethane / -20 °C / Inert atmosphere; Molecular sieve

2: tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride / dichloromethane / 4 h / 60 °C / Inert atmosphere

With tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; trimethylsilyl trifluoromethanesulfonate; In dichloromethane;
DOI:10.1002/ejoc.201001342