9-benzyloxy-3a-[2-benzyloxy-4-(tert-butyl-diphenyl-silanyloxy)-2-methyl-butyl]-8-(4,5-bis-benzyloxy-6-methyl-tetrahydro-pyran-2-yl)-5,10-dimethoxy-2,2-dimethyl-11,11a-dihydro-3aH-1,3-dioxa-cyclopenta[b]anthracen-4-one

Base Information

Chemical Name:9-benzyloxy-3a-[2-benzyloxy-4-(tert-butyl-diphenyl-silanyloxy)-2-methyl-butyl]-8-(4,5-bis-benzyloxy-6-methyl-tetrahydro-pyran-2-yl)-5,10-dimethoxy-2,2-dimethyl-11,11a-dihydro-3aH-1,3-dioxa-cyclopenta[b]anthracen-4-one
CAS No.:314270-74-1
Molecular Formula:C₇₄H₈₂O₁₁Si
Molecular Weight:1175.54
Hs Code.:

9-benzyloxy-3a-[2-benzyloxy-4-(<i>tert</i>-butyl-diphenyl-silanyloxy)-2-methyl-butyl]-8-(4,5-bis-benzyloxy-6-methyl-tetrahydro-pyran-2-yl)-5,10-dimethoxy-2,2-dimethyl-11,11a-dihydro-3a<i>H</i>-1,3-dioxa-cyclopenta[<i>b</i>]anthracen-4-one

Synonyms:9-benzyloxy-3a-[2-benzyloxy-4-(tert-butyl-diphenyl-silanyloxy)-2-methyl-butyl]-8-(4,5-bis-benzyloxy-6-methyl-tetrahydro-pyran-2-yl)-5,10-dimethoxy-2,2-dimethyl-11,11a-dihydro-3aH-1,3-dioxa-cyclopenta[b]anthracen-4-one

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Chemical Property of 9-benzyloxy-3a-[2-benzyloxy-4-(tert-butyl-diphenyl-silanyloxy)-2-methyl-butyl]-8-(4,5-bis-benzyloxy-6-methyl-tetrahydro-pyran-2-yl)-5,10-dimethoxy-2,2-dimethyl-11,11a-dihydro-3aH-1,3-dioxa-cyclopenta[b]anthracen-4-one

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Technology Process of 9-benzyloxy-3a-[2-benzyloxy-4-(tert-butyl-diphenyl-silanyloxy)-2-methyl-butyl]-8-(4,5-bis-benzyloxy-6-methyl-tetrahydro-pyran-2-yl)-5,10-dimethoxy-2,2-dimethyl-11,11a-dihydro-3aH-1,3-dioxa-cyclopenta[b]anthracen-4-one

There total 1 articles about 9-benzyloxy-3a-[2-benzyloxy-4-(tert-butyl-diphenyl-silanyloxy)-2-methyl-butyl]-8-(4,5-bis-benzyloxy-6-methyl-tetrahydro-pyran-2-yl)-5,10-dimethoxy-2,2-dimethyl-11,11a-dihydro-3aH-1,3-dioxa-cyclopenta[b]anthracen-4-one 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:

: 77-78-1
dimethyl sulfate

: 314270-73-0
9-benzyloxy-3a-[2-benzyloxy-4-(tert-butyl-diphenyl-silanyloxy)-2-methyl-butyl]-8-(4,5-bis-benzyloxy-6-methyl-tetrahydro-pyran-2-yl)-5,10-dihydroxy-2,2-dimethyl-11,11a-dihydro-3aH-1,3-dioxa-cyclopenta[b]anthracen-4-one

: 314270-74-1
9-benzyloxy-3a-[2-benzyloxy-4-(tert-butyl-diphenyl-silanyloxy)-2-methyl-butyl]-8-(4,5-bis-benzyloxy-6-methyl-tetrahydro-pyran-2-yl)-5,10-dimethoxy-2,2-dimethyl-11,11a-dihydro-3aH-1,3-dioxa-cyclopenta[b]anthracen-4-one

Guidance literature:: With potassium carbonate; In acetone; for 5h; Heating;
DOI:10.1016/S0040-4039(00)01480-5

Reference yield: 91.0%

: 314270-74-1
9-benzyloxy-3a-[2-benzyloxy-4-(tert-butyl-diphenyl-silanyloxy)-2-methyl-butyl]-8-(4,5-bis-benzyloxy-6-methyl-tetrahydro-pyran-2-yl)-5,10-dimethoxy-2,2-dimethyl-11,11a-dihydro-3aH-1,3-dioxa-cyclopenta[b]anthracen-4-one

: 314270-82-1
(3aR,11aR)-9-Benzyloxy-3a-((S)-2-benzyloxy-4-hydroxy-2-methyl-butyl)-8-((2R,4R,5R,6R)-4,5-bis-benzyloxy-6-methyl-tetrahydro-pyran-2-yl)-5,10-dimethoxy-2,2-dimethyl-11,11a-dihydro-3aH-1,3-dioxa-cyclopenta[b]anthracen-4-one

Guidance literature:: With HF*(Pyr)n; In tetrahydrofuran; at 20 ℃; for 7h;
DOI:10.1016/S0040-4039(00)01480-5

Reference yield:

: 314270-74-1
9-benzyloxy-3a-[2-benzyloxy-4-(tert-butyl-diphenyl-silanyloxy)-2-methyl-butyl]-8-(4,5-bis-benzyloxy-6-methyl-tetrahydro-pyran-2-yl)-5,10-dimethoxy-2,2-dimethyl-11,11a-dihydro-3aH-1,3-dioxa-cyclopenta[b]anthracen-4-one

: C₆₁H₆₈O₁₁

Guidance literature:: Multi-step reaction with 4 steps

1: 91 percent / HF*(pyr)n / tetrahydrofuran / 7 h / 20 °C

2: 90 percent / (COCl)2; DMSO; Et₃N / CH₂Cl₂ / -78 - 0 °C

3: VCl₃(thf)3; Zn; DMF / CH₂Cl₂ / 0.5 h / 20 °C

4: p-TsOH / benzene

With oxalyl dichloride; Vanadium (III) chloride-(tris-tetrahydrofuran); HF*(Pyr)n; toluene-4-sulfonic acid; dimethyl sulfoxide; triethylamine; N,N-dimethyl-formamide; zinc; In tetrahydrofuran; dichloromethane; benzene; 2: Swern oxidation;
DOI:10.1016/S0040-4039(00)01480-5