(3aS,4aS,7S,8R,8aS,10aR)-8-Benzyloxy-7-(4-methoxy-benzyloxy)-2,2-dimethyl-6-methylene-octahydro-1,3,5,9-tetraoxa-benzo[f]azulene

Base Information

Chemical Name:(3aS,4aS,7S,8R,8aS,10aR)-8-Benzyloxy-7-(4-methoxy-benzyloxy)-2,2-dimethyl-6-methylene-octahydro-1,3,5,9-tetraoxa-benzo[f]azulene
CAS No.:725253-37-2
Molecular Formula:C₂₈H₃₄O₇
Molecular Weight:482.574
Hs Code.:

Synonyms:(3aS,4aS,7S,8R,8aS,10aR)-8-Benzyloxy-7-(4-methoxy-benzyloxy)-2,2-dimethyl-6-methylene-octahydro-1,3,5,9-tetraoxa-benzo[f]azulene

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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 (3aS,4aS,7S,8R,8aS,10aR)-8-Benzyloxy-7-(4-methoxy-benzyloxy)-2,2-dimethyl-6-methylene-octahydro-1,3,5,9-tetraoxa-benzo[f]azulene

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Technology Process of (3aS,4aS,7S,8R,8aS,10aR)-8-Benzyloxy-7-(4-methoxy-benzyloxy)-2,2-dimethyl-6-methylene-octahydro-1,3,5,9-tetraoxa-benzo[f]azulene

There total 8 articles about (3aS,4aS,7S,8R,8aS,10aR)-8-Benzyloxy-7-(4-methoxy-benzyloxy)-2,2-dimethyl-6-methylene-octahydro-1,3,5,9-tetraoxa-benzo[f]azulene 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: 99.0%

: 725253-60-1
(3aS,4aS,6S,7S,8R,8aS,10aR)-8-Benzyloxy-6-iodomethyl-7-(4-methoxy-benzyloxy)-2,2-dimethyl-octahydro-1,3,5,9-tetraoxa-benzo[f]azulene

: 725253-37-2
(3aS,4aS,7S,8R,8aS,10aR)-8-Benzyloxy-7-(4-methoxy-benzyloxy)-2,2-dimethyl-6-methylene-octahydro-1,3,5,9-tetraoxa-benzo[f]azulene

Guidance literature:: With sodium hydride; In N,N-dimethyl-formamide; at 0 - 20 ℃;
DOI:10.1016/j.tetlet.2004.04.083

Reference yield:

: 252046-22-3
(2R,3R,4S,4aS,9aS)-3,4-bis(benzyloxy)-2-(benzyloxymethyl)-2,3,4,4a,9,9a-hexahydro-6H-pyrano[3,2-b]oxepin

: 725253-37-2
(3aS,4aS,7S,8R,8aS,10aR)-8-Benzyloxy-7-(4-methoxy-benzyloxy)-2,2-dimethyl-6-methylene-octahydro-1,3,5,9-tetraoxa-benzo[f]azulene

Guidance literature:: Multi-step reaction with 8 steps

1: AD-mix β; MeSO2NH2 / 2-methyl-propan-2-ol; H2O; various solvent(s) / 0 °C

2: CSA / CH₂Cl₂ / 20 °C

3: H₂ / Pd/C / ethyl acetate; methanol / 20 °C

4: CSA / CH₂Cl₂ / 20 °C

5: 92 percent / KOt-Bu; n-Bu₄NI / tetrahydrofuran / 20 °C

6: 100 percent / DIBAL-H / CH₂Cl₂ / -78 - 0 °C

7: 92 percent / I₂; PPh₃; imidazole / tetrahydrofuran / 20 °C

8: 99 percent / NaH / dimethylformamide / 0 - 20 °C

With 1H-imidazole; methanesulfonamide; camphor-10-sulfonic acid; potassium tert-butylate; hydrogen; iodine; tetra-(n-butyl)ammonium iodide; sodium hydride; diisobutylaluminium hydride; 1,4-bis(9-O-dihydroquinidine)phthalazine; triphenylphosphine; palladium on activated charcoal; In tetrahydrofuran; methanol; dichloromethane; water; ethyl acetate; N,N-dimethyl-formamide; tert-butyl alcohol;
DOI:10.1016/j.tetlet.2004.04.083

Reference yield:

: 725253-39-4
(3aS,4aS,6R,7R,8R,8aS,10aR)-7,8-Bis-benzyloxy-6-benzyloxymethyl-2,2-dimethyl-octahydro-1,3,5,9-tetraoxa-benzo[f]azulene

: 725253-37-2
(3aS,4aS,7S,8R,8aS,10aR)-8-Benzyloxy-7-(4-methoxy-benzyloxy)-2,2-dimethyl-6-methylene-octahydro-1,3,5,9-tetraoxa-benzo[f]azulene

Guidance literature:: Multi-step reaction with 6 steps

1: H₂ / Pd/C / ethyl acetate; methanol / 20 °C

2: CSA / CH₂Cl₂ / 20 °C

3: 92 percent / KOt-Bu; n-Bu₄NI / tetrahydrofuran / 20 °C

4: 100 percent / DIBAL-H / CH₂Cl₂ / -78 - 0 °C

5: 92 percent / I₂; PPh₃; imidazole / tetrahydrofuran / 20 °C

6: 99 percent / NaH / dimethylformamide / 0 - 20 °C

With 1H-imidazole; camphor-10-sulfonic acid; potassium tert-butylate; hydrogen; iodine; tetra-(n-butyl)ammonium iodide; sodium hydride; diisobutylaluminium hydride; triphenylphosphine; palladium on activated charcoal; In tetrahydrofuran; methanol; dichloromethane; ethyl acetate; N,N-dimethyl-formamide;
DOI:10.1016/j.tetlet.2004.04.083