2-ethoxycarbonyl-1-(2-hydroxyphenyl)-1α,2α,2aβ,8bβ-tetrahydro-3H-cyclobutachromen-3-one

Base Information

• Chemical Name: 2-ethoxycarbonyl-1-(2-hydroxyphenyl)-1α,2α,2aβ,8bβ-tetrahydro-3H-cyclobutachromen-3-one
• CAS No.: 85381-11-9
• Molecular Formula: C₂₀H₁₈O₅
• Molecular Weight: 338.36

Synonyms:

Chemical Property of 2-ethoxycarbonyl-1-(2-hydroxyphenyl)-1α,2α,2aβ,8bβ-tetrahydro-3H-cyclobutachromen-3-one

Chemical Property:

Purity/Quality:

Safty Information:

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Useful:

Technology Process of 2-ethoxycarbonyl-1-(2-hydroxyphenyl)-1α,2α,2aβ,8bβ-tetrahydro-3H-cyclobutachromen-3-one

There total 2 articles about 2-ethoxycarbonyl-1-(2-hydroxyphenyl)-1α,2α,2aβ,8bβ-tetrahydro-3H-cyclobutachromen-3-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: 90.0%

ethanol (64-17-5) + 16β-azido-3β-hydroxy-5α-androstan-17-one → 2-ethoxycarbonyl-1-(2-hydroxyphenyl)-1-α,2α,2aβ,8bβ-tetrahydro-3H-cyclobuta--chromen-3-one (85381-11-9,100163-59-5)

Guidance literature:

for 0.166667h;

DOI:10.1246/bcsj.56.367

Reference yield:

diethyl t-3,c-4-bis(2-hydroxyphenyl)-r-1,t-2-cyclobutanedicarboxylate (835652-06-7) → anti head-to-head coumarin dimer (5248-12-4) + 2-ethoxycarbonyl-1-(2-hydroxyphenyl)-1α,2α,2aβ,8bβ-tetrahydro-3H-cyclobutachromen-3-one (85381-11-9,100163-59-5)

Guidance literature:

Product distribution; thermal behavior, 5 deg C/min, nitrogen stream;

DOI:10.1246/bcsj.57.1608

Reference yield:

2-ethoxycarbonyl-1-(2-hydroxyphenyl)-1α,2α,2aβ,8bβ-tetrahydro-3H-cyclobutachromen-3-one (85381-11-9,100163-59-5) → coumarin (91-64-5) + anti head-to-head coumarin dimer (5248-12-4)

Guidance literature:

at 300 ℃; Product distribution; thermal behavior, 5 deg C/min, nitrogen stream;

DOI:10.1246/bcsj.57.1608

upstream raw materials:

ethanol

diethyl t-3,c-4-bis(2-hydroxyphenyl)-r-1,t-2-cyclobutanedicarboxylate

Downstream raw materials:

(E)-ethyl 2-hydroxycinnamate

coumarin

anti head-to-head coumarin dimer

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