22R-hydroxy-6β-methoxy-23S-benzenesulfonyl-3α,5-cyclo-5α-ergost-24(28)-ene

Base Information

Chemical Name:22R-hydroxy-6β-methoxy-23S-benzenesulfonyl-3α,5-cyclo-5α-ergost-24(28)-ene
CAS No.:184764-05-4
Molecular Formula:C₃₅H₅₂O₄S
Molecular Weight:568.861
Hs Code.:

Synonyms:22R-hydroxy-6β-methoxy-23S-benzenesulfonyl-3α,5-cyclo-5α-ergost-24(28)-ene

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Chemical Property of 22R-hydroxy-6β-methoxy-23S-benzenesulfonyl-3α,5-cyclo-5α-ergost-24(28)-ene

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Technology Process of 22R-hydroxy-6β-methoxy-23S-benzenesulfonyl-3α,5-cyclo-5α-ergost-24(28)-ene

There total 4 articles about 22R-hydroxy-6β-methoxy-23S-benzenesulfonyl-3α,5-cyclo-5α-ergost-24(28)-ene 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: 63.0%

: 25819-77-6
(20S)-6β-methoxy-3α,5-cyclo-5α-pregnane-20-carbaldehyde

: 184763-64-2
2,3-dimethyl-2-acetoxy-1-benzenesulfonylbutane

: 184764-05-4
22R-hydroxy-6β-methoxy-23S-benzenesulfonyl-3α,5-cyclo-5α-ergost-24(28)-ene

Guidance literature:: With N,N,N,N,N,N-hexamethylphosphoric triamide; methyllithium; diisopropylamine; In tetrahydrofuran; at -50 ℃; for 0.666667h;

Reference yield:

: 563-80-4
3-methyl-butan-2-one

: 184764-05-4
22R-hydroxy-6β-methoxy-23S-benzenesulfonyl-3α,5-cyclo-5α-ergost-24(28)-ene

Guidance literature:: Multi-step reaction with 3 steps

1: 86 percent / MeLi / tetrahydrofuran / 1.5 h / -10 °C

2: 86 percent / 24 h / Ambient temperature

3: 63 percent / diisopropylamine, HMPA, MeLi / tetrahydrofuran / 0.67 h / -50 °C

With N,N,N,N,N,N-hexamethylphosphoric triamide; methyllithium; diisopropylamine; In tetrahydrofuran;

Reference yield:

: 3112-85-4
methylphenylsulfonate

: 184764-05-4
22R-hydroxy-6β-methoxy-23S-benzenesulfonyl-3α,5-cyclo-5α-ergost-24(28)-ene

Guidance literature:: Multi-step reaction with 3 steps

1: 86 percent / MeLi / tetrahydrofuran / 1.5 h / -10 °C

2: 86 percent / 24 h / Ambient temperature

3: 63 percent / diisopropylamine, HMPA, MeLi / tetrahydrofuran / 0.67 h / -50 °C

With N,N,N,N,N,N-hexamethylphosphoric triamide; methyllithium; diisopropylamine; In tetrahydrofuran;