4-Oxo-5,6-diphenyl-7a-pyrrolidin-1-yl-2,3-dihydro-4H-furo[2,3-b]pyran-3a-carbonitrile

Base Information

• Chemical Name: 4-Oxo-5,6-diphenyl-7a-pyrrolidin-1-yl-2,3-dihydro-4H-furo[2,3-b]pyran-3a-carbonitrile
• CAS No.: 203569-79-3
• Molecular Formula: C₂₄H₂₂N₂O₃
• Molecular Weight: 386.45

Synonyms:4-Oxo-5,6-diphenyl-7a-pyrrolidin-1-yl-2,3-dihydro-4H-furo[2,3-b]pyran-3a-carbonitrile

Chemical Property of 4-Oxo-5,6-diphenyl-7a-pyrrolidin-1-yl-2,3-dihydro-4H-furo[2,3-b]pyran-3a-carbonitrile

Chemical Property:

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Technology Process of 4-Oxo-5,6-diphenyl-7a-pyrrolidin-1-yl-2,3-dihydro-4H-furo[2,3-b]pyran-3a-carbonitrile

There total 5 articles about 4-Oxo-5,6-diphenyl-7a-pyrrolidin-1-yl-2,3-dihydro-4H-furo[2,3-b]pyran-3a-carbonitrile 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: 87.0%

2-diazo-1,3-diphenylpropane-1,3-dione (2085-31-6) + 5,6-Diphenyl-2-(2-pyrrolidin-1-yl-4,5-dihydro-furan-3-yl)-[1,3]oxazin-4-one (203569-67-9) → 4-Oxo-5,6-diphenyl-7a-pyrrolidin-1-yl-2,3-dihydro-4H-furo[2,3-b]pyran-3a-carbonitrile (203569-79-3)

Guidance literature:

dirhodium tetraacetate; In fluorobenzene; at 70 ℃; for 4h;

DOI:10.1002/prac.19983400108

Reference yield: 85.0%

2-diazo-1,3-diphenylpropane-1,3-dione (2085-31-6) + 4,5-dihydro-2-(1-pyrrolidinyl)-3-furancarbonitrile (143819-45-8) → 4-Oxo-5,6-diphenyl-7a-pyrrolidin-1-yl-2,3-dihydro-4H-furo[2,3-b]pyran-3a-carbonitrile (203569-79-3)

Guidance literature:

dirhodium tetraacetate; In fluorobenzene; at 70 ℃; for 4h;

DOI:10.1002/prac.19983400108

Reference yield: 9.0%

2-diazo-1,3-bis(4-chlorophenyl)propane-1,3-dione (33074-12-3) + 5,6-Diphenyl-2-(2-pyrrolidin-1-yl-4,5-dihydro-furan-3-yl)-[1,3]oxazin-4-one (203569-67-9) → 4-Oxo-5,6-diphenyl-7a-pyrrolidin-1-yl-2,3-dihydro-4H-furo[2,3-b]pyran-3a-carbonitrile (203569-79-3) + 5,6-Bis-(4-chloro-phenyl)-4-oxo-7a-pyrrolidin-1-yl-2,3-dihydro-4H-furo[2,3-b]pyran-3a-carbonitrile

Guidance literature:

dirhodium tetraacetate; In fluorobenzene; at 70 ℃; for 4h; Mechanism;

DOI:10.1002/prac.19983400108

upstream raw materials:

2-diazo-1,3-diphenylpropane-1,3-dione

4,5-dihydro-2-(1-pyrrolidinyl)-3-furancarbonitrile

5,6-Diphenyl-2-(2-pyrrolidin-1-yl-4,5-dihydro-furan-3-yl)-[1,3]oxazin-4-one

2-diazo-1,3-bis(4-chlorophenyl)propane-1,3-dione

Downstream raw materials:

phenyl benzyl ketone

benzoic acid

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