tert-butyl 3-[4-(6-bromo-1,3-benzoxazol-2-yl)phenyl]-1H-1-pyrazolecarboxylate

Base Information

• Chemical Name: tert-butyl 3-[4-(6-bromo-1,3-benzoxazol-2-yl)phenyl]-1H-1-pyrazolecarboxylate
• CAS No.: 938461-72-4
• Molecular Formula: C₂₁H₁₈BrN₃O₃
• Molecular Weight: 440.296

Synonyms:tert-butyl 3-[4-(6-bromo-1,3-benzoxazol-2-yl)phenyl]-1H-1-pyrazolecarboxylate

Chemical Property of tert-butyl 3-[4-(6-bromo-1,3-benzoxazol-2-yl)phenyl]-1H-1-pyrazolecarboxylate

Chemical Property:

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Technology Process of tert-butyl 3-[4-(6-bromo-1,3-benzoxazol-2-yl)phenyl]-1H-1-pyrazolecarboxylate

There total 1 articles about tert-butyl 3-[4-(6-bromo-1,3-benzoxazol-2-yl)phenyl]-1H-1-pyrazolecarboxylate 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:

6-bromo-2-[4-(1H-3-pyrazolyl)phenyl]-1,3-benzoxazole (938461-71-3) + di-tert-butyl dicarbonate (24424-99-5) → tert-butyl 3-[4-(6-bromo-1,3-benzoxazol-2-yl)phenyl]-1H-1-pyrazolecarboxylate (938461-72-4)

Guidance literature:

With potassium carbonate; In N,N-dimethyl-formamide; at 20 ℃; for 2h;

Reference yield:

tert-butyl 3-[4-(6-bromo-1,3-benzoxazol-2-yl)phenyl]-1H-1-pyrazolecarboxylate (938461-72-4) + bis(tri-n-butyltin) (813-19-4) → tert-butyl 3-{4-[6-(1,1,1-tributylstannyl)-1,3-benzoxazol-2-yl]phenyl}-1H-1-pyrazolecarboxylate (938461-73-5)

Guidance literature:

tetrakis(triphenylphosphine) palladium⁽⁰⁾; In 1,4-dioxane; for 6h; Heating / reflux;

upstream raw materials:

6-bromo-2-[4-(1H-3-pyrazolyl)phenyl]-1,3-benzoxazole

di-tert-butyl dicarbonate

Downstream raw materials:

tert-butyl 3-{4-[6-(1,1,1-tributylstannyl)-1,3-benzoxazol-2-yl]phenyl}-1H-1-pyrazolecarboxylate

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