tert-Butyl 4-[4-({[(4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-5-yl)carbonyl]amino}methyl) benzyl]piperazine-1-carboxylate

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Chemical Name:tert-Butyl 4-[4-({[(4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-5-yl)carbonyl]amino}methyl) benzyl]piperazine-1-carboxylate
CAS No.:1456890-54-2
Molecular Formula:C₂₄H₂₉N₅O₄S
Molecular Weight:483.591
Hs Code.:

Synonyms:tert-Butyl 4-[4-({[(4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-5-yl)carbonyl]amino}methyl) benzyl]piperazine-1-carboxylate

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Chemical Property of tert-Butyl 4-[4-({[(4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-5-yl)carbonyl]amino}methyl) benzyl]piperazine-1-carboxylate

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Technology Process of tert-Butyl 4-[4-({[(4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-5-yl)carbonyl]amino}methyl) benzyl]piperazine-1-carboxylate

There total 7 articles about tert-Butyl 4-[4-({[(4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-5-yl)carbonyl]amino}methyl) benzyl]piperazine-1-carboxylate 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: 52.0%

: 1456890-20-2
N-(4-formylbenzyl)-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidine-5-carboxamide

: 57260-71-6
1-t-Butoxycarbonylpiperazine

: 1456890-54-2
tert-Butyl 4-[4-({[(4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-5-yl)carbonyl]amino}methyl) benzyl]piperazine-1-carboxylate

Guidance literature:: N-(4-formylbenzyl)-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidine-5-carboxamide; 1-t-Butoxycarbonylpiperazine; With titanium(IV) isopropylate; In tetrahydrofuran; at 45 ℃; for 12h; Inert atmosphere;

With sodium tris(acetoxy)borohydride; In tetrahydrofuran; at 45 ℃; for 24h; Inert atmosphere;
DOI:10.1021/jm400718n

Reference yield:

: 844502-63-2
3-ethyl 4-methyl 2-aminothiophene-3,4-dicarboxylate

: 1456890-54-2
tert-Butyl 4-[4-({[(4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-5-yl)carbonyl]amino}methyl) benzyl]piperazine-1-carboxylate

Guidance literature:: Multi-step reaction with 4 steps

1.1: ethanol / 70 h / Inert atmosphere; Reflux

2.1: triethylamine / ethanol / 12 h / Inert atmosphere; Reflux

3.1: hydrogenchloride / 1,4-dioxane / 1 h / 0 - 20 °C / Inert atmosphere

4.1: titanium(IV) isopropylate / tetrahydrofuran / 12 h / 45 °C / Inert atmosphere

4.2: 24 h / 45 °C / Inert atmosphere

With titanium(IV) isopropylate; hydrogenchloride; triethylamine; In tetrahydrofuran; 1,4-dioxane; ethanol;
DOI:10.1021/jm400718n

Reference yield:

: 105-07-7
4-cyanobenzaldehyde

: 1456890-54-2
tert-Butyl 4-[4-({[(4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-5-yl)carbonyl]amino}methyl) benzyl]piperazine-1-carboxylate

Guidance literature:: Multi-step reaction with 5 steps

1.1: pyridinium p-toluenesulfonate / toluene / 1 h / 130 °C / Inert atmosphere; Dean-Stark

2.1: lithium aluminium tetrahydride / tetrahydrofuran / 3 h / 0 - 20 °C / Inert atmosphere

3.1: triethylamine / ethanol / 12 h / Inert atmosphere; Reflux

4.1: hydrogenchloride / 1,4-dioxane / 1 h / 0 - 20 °C / Inert atmosphere

5.1: titanium(IV) isopropylate / tetrahydrofuran / 12 h / 45 °C / Inert atmosphere

5.2: 24 h / 45 °C / Inert atmosphere

With titanium(IV) isopropylate; hydrogenchloride; lithium aluminium tetrahydride; pyridinium p-toluenesulfonate; triethylamine; In tetrahydrofuran; 1,4-dioxane; ethanol; toluene;
DOI:10.1021/jm400718n