tert-butyl 2-(1-benzyl-2,2-dioxido-1,3-dihydrobenzo[c]isothiazol-5-yl)acetate

Base Information

Chemical Name:tert-butyl 2-(1-benzyl-2,2-dioxido-1,3-dihydrobenzo[c]isothiazol-5-yl)acetate
CAS No.:1455471-76-7
Molecular Formula:C₂₀H₂₃NO₄S
Molecular Weight:373.473
Hs Code.:

Synonyms:tert-butyl 2-(1-benzyl-2,2-dioxido-1,3-dihydrobenzo[c]isothiazol-5-yl)acetate

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Chemical Property of tert-butyl 2-(1-benzyl-2,2-dioxido-1,3-dihydrobenzo[c]isothiazol-5-yl)acetate

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Technology Process of tert-butyl 2-(1-benzyl-2,2-dioxido-1,3-dihydrobenzo[c]isothiazol-5-yl)acetate

There total 9 articles about tert-butyl 2-(1-benzyl-2,2-dioxido-1,3-dihydrobenzo[c]isothiazol-5-yl)acetate 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%

: 1455471-75-6
1-benzyl-5-bromo-1,3-dihydrobenzo[c]isothiazol-2,2-dioxide

: 51656-70-3
(2-tert-butoxy-2-oxoethyl)zinc(II) bromide

: 1455471-76-7
tert-butyl 2-(1-benzyl-2,2-dioxido-1,3-dihydrobenzo[c]isothiazol-5-yl)acetate

Guidance literature:: With tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; XPhos; In tetrahydrofuran; at 75 ℃; for 16h;

Reference yield: 56.0%

: 5292-43-3
bromoacetic acid tert-butyl ester

: 1455471-75-6
1-benzyl-5-bromo-1,3-dihydrobenzo[c]isothiazol-2,2-dioxide

: 1455471-76-7
tert-butyl 2-(1-benzyl-2,2-dioxido-1,3-dihydrobenzo[c]isothiazol-5-yl)acetate

Guidance literature:: With tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; XPhos; In tetrahydrofuran; at 72 ℃; for 16h;

Reference yield:

: 3958-60-9
2-nitrophenylmethyl bromide

: 1455471-76-7
tert-butyl 2-(1-benzyl-2,2-dioxido-1,3-dihydrobenzo[c]isothiazol-5-yl)acetate

Guidance literature:: Multi-step reaction with 6 steps

1: sodium sulfite; tetra-(n-butyl)ammonium iodide / water / 15 h / 90 °C

2: palladium on activated charcoal; hydrogen / methanol / 16 h / 25 °C / Inert atmosphere

3: trichlorophosphate / 2 h / Reflux

4: acetic acid; bromine / 2 h / 25 °C

5: potassium carbonate / N,N-dimethyl-formamide / 1 h / 0 - 25 °C

6: XPhos; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾ / tetrahydrofuran / 16 h / 72 °C

With tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; palladium on activated charcoal; hydrogen; bromine; tetra-(n-butyl)ammonium iodide; potassium carbonate; acetic acid; sodium sulfite; XPhos; trichlorophosphate; In tetrahydrofuran; methanol; water; N,N-dimethyl-formamide;