26-trityloxy-3-methylenecyclolaudane

Base Information

Chemical Name:26-trityloxy-3-methylenecyclolaudane
CAS No.:82526-86-1
Molecular Formula:C₅₁H₆₈O
Molecular Weight:697.1
Hs Code.:

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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 26-trityloxy-3-methylenecyclolaudane

Chemical Property:

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Technology Process of 26-trityloxy-3-methylenecyclolaudane

There total 4 articles about 26-trityloxy-3-methylenecyclolaudane 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: 79.4%

: 2065-66-9
methyl-triphenylphosphonium iodide

: 82526-85-0,82526-96-3
26-trityloxycyclolaudan-3-one

: 82526-86-1,82526-97-4
26-trityloxy-3-methylenecyclolaudane

Guidance literature:: With potassium tert-butylate; In tetrahydrofuran; at 30 ℃; for 1h;
DOI:10.1016/0040-4020(82)80177-4

Reference yield:

: 108864-87-5
24-methyl-9,19-cyclolanostane-25-en-3β-ol

: 82526-86-1,82526-97-4
26-trityloxy-3-methylenecyclolaudane

Guidance literature:: Multi-step reaction with 4 steps

1: 1.) diborane, 2.) 30percent H₂O₂, NaOH / 1.) THF, 10-15 deg C, then 25 deg C, 4 h, 2.) 0 deg C, water, then 25 deg C, 2 h

2: 89.8 percent / pyridine / benzene / 19 h / Heating

3: 78.6 percent / CrO₃ / pyridine; CH₂Cl₂ / 4 h / 25 °C

4: 79.4 percent / t-BuOK / tetrahydrofuran / 1 h / 30 °C

With pyridine; chromium(VI) oxide; sodium hydroxide; potassium tert-butylate; dihydrogen peroxide; diborane; In tetrahydrofuran; pyridine; dichloromethane; benzene;
DOI:10.1016/0040-4020(82)80177-4

Reference yield:

: 77031-47-1,82570-38-5,82570-39-6
26-hydroxycyclolaudan-3β-ol

: 82526-86-1,82526-97-4
26-trityloxy-3-methylenecyclolaudane

Guidance literature:: Multi-step reaction with 3 steps

1: 89.8 percent / pyridine / benzene / 19 h / Heating

2: 78.6 percent / CrO₃ / pyridine; CH₂Cl₂ / 4 h / 25 °C

3: 79.4 percent / t-BuOK / tetrahydrofuran / 1 h / 30 °C

With pyridine; chromium(VI) oxide; potassium tert-butylate; In tetrahydrofuran; pyridine; dichloromethane; benzene;
DOI:10.1016/0040-4020(82)80177-4