Acetic acid (4aR,6R,7S,8R,8aS)-8-(4-methoxy-benzyloxy)-2,2,7-trimethyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-ylmethyl ester

Base Information

Chemical Name:Acetic acid (4aR,6R,7S,8R,8aS)-8-(4-methoxy-benzyloxy)-2,2,7-trimethyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-ylmethyl ester
CAS No.:512781-96-3
Molecular Formula:C₂₁H₃₀O₇
Molecular Weight:394.465
Hs Code.:

Synonyms:Acetic acid (4aR,6R,7S,8R,8aS)-8-(4-methoxy-benzyloxy)-2,2,7-trimethyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-ylmethyl ester

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Chemical Property of Acetic acid (4aR,6R,7S,8R,8aS)-8-(4-methoxy-benzyloxy)-2,2,7-trimethyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-ylmethyl ester

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Technology Process of Acetic acid (4aR,6R,7S,8R,8aS)-8-(4-methoxy-benzyloxy)-2,2,7-trimethyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-ylmethyl ester

There total 7 articles about Acetic acid (4aR,6R,7S,8R,8aS)-8-(4-methoxy-benzyloxy)-2,2,7-trimethyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-ylmethyl ester 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: 95.0%

: 108-24-7
acetic anhydride

: 512781-95-2
[(4aR,6R,7S,8R,8aS)-8-(4-Methoxy-benzyloxy)-2,2,7-trimethyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl]-methanol

: 512781-96-3
Acetic acid (4aR,6R,7S,8R,8aS)-8-(4-methoxy-benzyloxy)-2,2,7-trimethyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-ylmethyl ester

Guidance literature:: DOI:10.3987/com-01-s(m)6

Reference yield:

: 89238-99-3
O-(4-methoxybenzyl)-trichloroacetimidate

: 512781-96-3
Acetic acid (4aR,6R,7S,8R,8aS)-8-(4-methoxy-benzyloxy)-2,2,7-trimethyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-ylmethyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: 87 percent / TfOH / diethyl ether / 0.33 h / 20 °C

2: 64 percent / toluene / 0.33 h / -50 - -20 °C

3: 98 percent / 9-BBN; H₂O₂; OH^(1-) / tetrahydrofuran / 12 h / 20 °C

With 9-borabicyclo[3.3.1]nonane dimer; trifluorormethanesulfonic acid; hydroxide; dihydrogen peroxide; In tetrahydrofuran; diethyl ether; toluene; 2: Tebbe olefination;
DOI:10.3987/com-01-s(m)6

Reference yield:

: 143289-36-5
2,3:4,6-Di-O-isopropylidene-D-mannopyranonolactone

: 512781-96-3
Acetic acid (4aR,6R,7S,8R,8aS)-8-(4-methoxy-benzyloxy)-2,2,7-trimethyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-ylmethyl ester

Guidance literature:: Multi-step reaction with 6 steps

1: 79 percent / NaH / tetrahydrofuran / -78 - -40 °C

2: 99 percent / SmI₂; HOCH₂CH₂OH; HMPA / tetrahydrofuran / 0.5 h / 20 °C

3: 87 percent / TfOH / diethyl ether / 0.33 h / 20 °C

4: 64 percent / toluene / 0.33 h / -50 - -20 °C

5: 98 percent / 9-BBN; H₂O₂; OH^(1-) / tetrahydrofuran / 12 h / 20 °C

With N,N,N,N,N,N-hexamethylphosphoric triamide; 9-borabicyclo[3.3.1]nonane dimer; samarium diiodide; trifluorormethanesulfonic acid; hydroxide; dihydrogen peroxide; sodium hydride; ethylene glycol; In tetrahydrofuran; diethyl ether; toluene; 4: Tebbe olefination;
DOI:10.3987/com-01-s(m)6