N^b-benzyl-14-(2-oxobutyl)-(15,18-21)-nor-ψ-vincadifformine ethylene ketal

Base Information

Chemical Name:N^b-benzyl-14-(2-oxobutyl)-(15,18-21)-nor-ψ-vincadifformine ethylene ketal
CAS No.:78019-60-0
Molecular Formula:C₂₉H₃₄N₂O₄
Molecular Weight:474.6
Hs Code.:

N<sup>b</sup>-benzyl-14-(2-oxobutyl)-(15,18-21)-nor-ψ-vincadifformine ethylene ketal

Synonyms:N^b-benzyl-14-(2-oxobutyl)-(15,18-21)-nor-ψ-vincadifformine ethylene ketal

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Chemical Property of N^b-benzyl-14-(2-oxobutyl)-(15,18-21)-nor-ψ-vincadifformine ethylene ketal

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Technology Process of N^b-benzyl-14-(2-oxobutyl)-(15,18-21)-nor-ψ-vincadifformine ethylene ketal

There total 5 articles about N^b-benzyl-14-(2-oxobutyl)-(15,18-21)-nor-ψ-vincadifformine ethylene ketal 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: 82.0%

: 78087-95-3,78019-59-7
C₂₉H₃₅N₂O₄⁽¹⁺⁾*Br^(1-)

: 78019-60-0
N^b-benzyl-14-(2-oxobutyl)-(15,18-21)-nor-ψ-vincadifformine ethylene ketal

Guidance literature:: With triethylamine; In methanol; for 2h; Heating;
DOI:10.1021/jo00330a012

Reference yield:

: 2916-31-6
2,2-dimethyl-1,3-dioxolane

: 78019-60-0
N^b-benzyl-14-(2-oxobutyl)-(15,18-21)-nor-ψ-vincadifformine ethylene ketal

Guidance literature:: Multi-step reaction with 5 steps

1: 75 percent / p-toluenesulfonic acid / 140 °C

2: 64 percent / 1M diisobutylaluminum hydride/hexane / CH₂Cl₂ / 1 h / -78 °C

3: 60 percent / methanol / 2 h / 20 °C

4: 77 percent / toluene / 1.) 20 deg C, 15 h, 2.) 50 deg C, 12 h

5: 82 percent / triethylamine / methanol / 2 h / Heating

With hexane; diisobutylaluminium hydride; triethylamine; toluene-4-sulfonic acid; In methanol; dichloromethane; toluene;
DOI:10.1021/jo00330a012

Reference yield:

: 78019-57-5
3-(2-ethyl-1,3-dioxolan-2-yl)propanal

: 78019-60-0
N^b-benzyl-14-(2-oxobutyl)-(15,18-21)-nor-ψ-vincadifformine ethylene ketal

Guidance literature:: Multi-step reaction with 3 steps

1: 60 percent / methanol / 2 h / 20 °C

2: 77 percent / toluene / 1.) 20 deg C, 15 h, 2.) 50 deg C, 12 h

3: 82 percent / triethylamine / methanol / 2 h / Heating

With triethylamine; In methanol; toluene;
DOI:10.1021/jo00330a012