2-amino-7-benzylidene-4,5,6,7-tetrahydro-4-phenylcyclopentapyran-3-carbonitrile

Base Information

• Chemical Name: 2-amino-7-benzylidene-4,5,6,7-tetrahydro-4-phenylcyclopentapyran-3-carbonitrile
• CAS No.: 53359-41-4
• Molecular Formula: C₂₂H₁₈N₂O
• Molecular Weight: 326.398

Synonyms:2-amino-7-benzylidene-4,5,6,7-tetrahydro-4-phenylcyclopentapyran-3-carbonitrile

Chemical Property of 2-amino-7-benzylidene-4,5,6,7-tetrahydro-4-phenylcyclopentapyran-3-carbonitrile

Chemical Property:

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Technology Process of 2-amino-7-benzylidene-4,5,6,7-tetrahydro-4-phenylcyclopentapyran-3-carbonitrile

There total 2 articles about 2-amino-7-benzylidene-4,5,6,7-tetrahydro-4-phenylcyclopentapyran-3-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: 90.0%

2,5-dibenzylidene cyclopentanone (34611-43-3) + malononitrile (109-77-3) → 2-amino-7-benzylidene-4,5,6,7-tetrahydro-4-phenylcyclopentapyran-3-carbonitrile (53359-41-4)

Guidance literature:

With potassium fluoride on basic alumina; In N,N-dimethyl-formamide; at 20 ℃;

DOI:10.1081/SCC-120030692

Reference yield:

→ 2-amino-7-benzylidene-4,5,6,7-tetrahydro-4-phenylcyclopentapyran-3-carbonitrile (53359-41-4)

Guidance literature:

2.5-Dibenzylidencyclopentanon, Malondinitril / NaOH, H2O, Ethanol;

DOI:10.1002/ardp.19743070605

Reference yield: 80.0%

2-amino-7-benzylidene-4,5,6,7-tetrahydro-4-phenylcyclopentapyran-3-carbonitrile (53359-41-4) + cyclohexanone (108-94-1,11119-77-0,9003-41-2,9075-99-4) → (7E)-7-benzylidene-4-phenyl-5,6-dihydrocyclopenta[e]-4H-pyrano-[2,3-b]-(5,6,7,8-tetrahydro-4-aminoquinoline)

Guidance literature:

With aluminum (III) chloride; In 1,2-dichloro-ethane; at 83 ℃; for 3h; Inert atmosphere;

DOI:10.1002/jhet.1612

upstream raw materials:

2,5-dibenzylidene cyclopentanone

malononitrile

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