hexacarbonyl-μ{η⁴-9.9-dimethoxycarbonyl-2,2-diphenyl-1,6-dioxaspiro[4.7]dodec-11-yne}dicobalt

Base Information

• Chemical Name: hexacarbonyl-μ{η⁴-9.9-dimethoxycarbonyl-2,2-diphenyl-1,6-dioxaspiro[4.7]dodec-11-yne}dicobalt
• CAS No.: 1449327-64-3
• Molecular Formula: C₃₂H₂₆Co₂O₁₂
• Molecular Weight: 720.538

Synonyms:hexacarbonyl-μ{η⁴-9.9-dimethoxycarbonyl-2,2-diphenyl-1,6-dioxaspiro[4.7]dodec-11-yne}dicobalt

Chemical Property of hexacarbonyl-μ{η⁴-9.9-dimethoxycarbonyl-2,2-diphenyl-1,6-dioxaspiro[4.7]dodec-11-yne}dicobalt

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Technology Process of hexacarbonyl-μ{η⁴-9.9-dimethoxycarbonyl-2,2-diphenyl-1,6-dioxaspiro[4.7]dodec-11-yne}dicobalt

There total 5 articles about hexacarbonyl-μ{η⁴-9.9-dimethoxycarbonyl-2,2-diphenyl-1,6-dioxaspiro[4.7]dodec-11-yne}dicobalt 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:

dimethyl 2-[2-(tert-butyldimethylsilyloxy)ethyl]-2-[4-(2,2-diphenylcyclopropyl)-4-oxobut-2-ynyl]malonate → hexacarbonyl-μ{η4-9.9-dimethoxycarbonyl-2,2-diphenyl-1,6-dioxaspiro[4.7]dodec-11-yne}dicobalt (1449327-64-3)

Guidance literature:

With boron trifluoride diethyl etherate; In toluene; at -78 - -20 ℃;

DOI:10.1016/j.tet.2013.05.056

Reference yield:

dimethyl 2-[2-(tert-butyldimethylsilyloxy)ethyl]-2-[4-(2,2-diphenylcyclopropyl)-4-oxobut-2-ynyl]malonate (1449327-63-2) → hexacarbonyl-μ{η4-9.9-dimethoxycarbonyl-2,2-diphenyl-1,6-dioxaspiro[4.7]dodec-11-yne}dicobalt (1449327-64-3)

Guidance literature:

Multi-step reaction with 2 steps

1: dichloromethane / 20 °C

2: boron trifluoride diethyl etherate / toluene / -78 - -20 °C

With boron trifluoride diethyl etherate; In dichloromethane; toluene;

DOI:10.1016/j.tet.2013.05.056

Reference yield:

2,2-diphenylcyclopropanecarbaldehyde (59591-01-4) → hexacarbonyl-μ{η4-9.9-dimethoxycarbonyl-2,2-diphenyl-1,6-dioxaspiro[4.7]dodec-11-yne}dicobalt (1449327-64-3)

Guidance literature:

Multi-step reaction with 4 steps

1.1: n-butyllithium / hexane; tetrahydrofuran / -78 °C

1.2: 0.5 h / -78 °C

2.1: manganese(IV) oxide / dichloromethane / 24 h / 20 °C

3.1: dichloromethane / 20 °C

4.1: boron trifluoride diethyl etherate / toluene / -78 - -20 °C

With manganese(IV) oxide; n-butyllithium; boron trifluoride diethyl etherate; In tetrahydrofuran; hexane; dichloromethane; toluene;

DOI:10.1016/j.tet.2013.05.056

upstream raw materials:

2,2-diphenylcyclopropanecarbaldehyde

dimethyl 2-[2-(tert-butyldimethylsilyloxy)ethyl]-2-[4-(2,2-diphenylcyclopropyl)-4-oxobut-2-ynyl]malonate

2,2-diphenylcyclopropylmethanol

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