Acetic acid (E)-1-[2-(4-methoxy-benzyloxy)-ethyl]-3-[2,2,4-trimethyl-3-(2-triisopropylsilanyloxy-but-3-enyl)-cyclohex-3-enyl]-allyl ester

Base Information

Chemical Name:Acetic acid (E)-1-[2-(4-methoxy-benzyloxy)-ethyl]-3-[2,2,4-trimethyl-3-(2-triisopropylsilanyloxy-but-3-enyl)-cyclohex-3-enyl]-allyl ester
CAS No.:217076-37-4
Molecular Formula:C₃₇H₆₀O₅Si
Molecular Weight:612.966
Hs Code.:

Synonyms:Acetic acid (E)-1-[2-(4-methoxy-benzyloxy)-ethyl]-3-[2,2,4-trimethyl-3-(2-triisopropylsilanyloxy-but-3-enyl)-cyclohex-3-enyl]-allyl ester

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Chemical Property of Acetic acid (E)-1-[2-(4-methoxy-benzyloxy)-ethyl]-3-[2,2,4-trimethyl-3-(2-triisopropylsilanyloxy-but-3-enyl)-cyclohex-3-enyl]-allyl ester

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Technology Process of Acetic acid (E)-1-[2-(4-methoxy-benzyloxy)-ethyl]-3-[2,2,4-trimethyl-3-(2-triisopropylsilanyloxy-but-3-enyl)-cyclohex-3-enyl]-allyl ester

There total 10 articles about Acetic acid (E)-1-[2-(4-methoxy-benzyloxy)-ethyl]-3-[2,2,4-trimethyl-3-(2-triisopropylsilanyloxy-but-3-enyl)-cyclohex-3-enyl]-allyl 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: 92.0%

: 108-24-7
acetic anhydride

: 217076-33-0
(E)-5-(4-Methoxy-benzyloxy)-1-[2,2,4-trimethyl-3-(2-triisopropylsilanyloxy-but-3-enyl)-cyclohex-3-enyl]-pent-1-en-3-ol

: 217076-37-4
Acetic acid (E)-1-[2-(4-methoxy-benzyloxy)-ethyl]-3-[2,2,4-trimethyl-3-(2-triisopropylsilanyloxy-but-3-enyl)-cyclohex-3-enyl]-allyl ester

Guidance literature:: With dmap; triethylamine; In dichloromethane; at 0 ℃; for 2h;
DOI:10.1039/a805268i

Reference yield:

: 80522-42-5
triisopropylsilyl trifluoromethanesulfonate

: 217076-37-4
Acetic acid (E)-1-[2-(4-methoxy-benzyloxy)-ethyl]-3-[2,2,4-trimethyl-3-(2-triisopropylsilanyloxy-but-3-enyl)-cyclohex-3-enyl]-allyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: 2,6-lutidine / CH₂Cl₂ / 0.33 h / -20 °C

2: 64 percent / chromous chloride / tetrahydrofuran / 3 h / Ambient temperature

3: 2.) chromous chloride, NiCl₂ / 1.) toluene, reflux, 2 h, 2.) DMSO, THF, r.t., 20 h

4: 92 percent / DMAP, Et₃N / CH₂Cl₂ / 2 h / 0 °C

With 2,6-dimethylpyridine; chromium dichloride; dmap; triethylamine; nickel dichloride; In tetrahydrofuran; dichloromethane;
DOI:10.1039/a805268i

Reference yield:

: 216978-72-2
1-(2-Hydroxyethyl)-2,6,6-trimethyl-5-(1,3-dioxolan-2-yl)cyclohex-1-ene

: 217076-37-4
Acetic acid (E)-1-[2-(4-methoxy-benzyloxy)-ethyl]-3-[2,2,4-trimethyl-3-(2-triisopropylsilanyloxy-but-3-enyl)-cyclohex-3-enyl]-allyl ester

Guidance literature:: Multi-step reaction with 7 steps

1: 94 percent / tetra(n-propyl)ammonium perruthenate, NMO, 4 Angstroem molecular sieves / CH₂Cl₂ / 1 h / Ambient temperature

2: 74 percent / CeCl₃ / tetrahydrofuran / 1.) -78 deg C, 1 h, 2.) -78 deg C, 1 h; -78 deg C to r.t., 2 h

3: CSA, H₂O / tetrahydrofuran / 3 h / 60 °C

4: 2,6-lutidine / CH₂Cl₂ / 0.33 h / -20 °C

5: 64 percent / chromous chloride / tetrahydrofuran / 3 h / Ambient temperature

6: 2.) chromous chloride, NiCl₂ / 1.) toluene, reflux, 2 h, 2.) DMSO, THF, r.t., 20 h

7: 92 percent / DMAP, Et₃N / CH₂Cl₂ / 2 h / 0 °C

With 2,6-dimethylpyridine; chromium dichloride; dmap; N-methyl-2-indolinone; cerium(III) chloride; tetrapropylammonium perruthennate; 4 A molecular sieve; camphor-10-sulfonic acid; water; triethylamine; nickel dichloride; In tetrahydrofuran; dichloromethane;
DOI:10.1039/a805268i