4--3-phenyl-4H-1-benzopyran

Base Information

• Chemical Name: 4--3-phenyl-4H-1-benzopyran
• CAS No.: 108010-18-0
• Molecular Formula: C₂₃H₁₉N₂O₃P
• Molecular Weight: 402.389

Synonyms:4--3-phenyl-4H-1-benzopyran

Chemical Property of 4--3-phenyl-4H-1-benzopyran

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Technology Process of 4--3-phenyl-4H-1-benzopyran

There total 1 articles about 4--3-phenyl-4H-1-benzopyran 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: 5.0%

(Diazomethyl)phenylphosphinsaeure-methylester (56641-67-9) + C15H11O(1+)*BF4(1-) (108010-13-5) → bis(3-phenyl-2H-benzopyran-2-yl) ether (71724-73-7) + 2--3-phenyl-2H-1-benzopyran (108010-15-7) + 4--3-phenyl-4H-1-benzopyran (108010-18-0)

Guidance literature:

With triethylamine; In dichloromethane; for 1h; Ambient temperature;

Reference yield: 94.0%

4--3-phenyl-4H-1-benzopyran (108010-18-0) → 3,4-Dihydro-3-(methoxyphenylphosphoryl)-9-phenyl-2,3,4-metheno-2H-1-benzopyran (108010-29-3)

Guidance literature:

bis(η3-allyl-μ-chloropalladium(II)); In benzene; for 2h; Heating;

upstream raw materials:

(Diazomethyl)phenylphosphinsaeure-methylester

C₁₅H₁₁O⁽¹⁺⁾*BF₄^(1-)

Downstream raw materials:

3,4-Dihydro-3-(methoxyphenylphosphoryl)-9-phenyl-2,3,4-metheno-2H-1-benzopyran

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