trans-4',5'-dihydro-4'-phenylspiropyrazol>-1-one

Base Information

• Chemical Name: trans-4',5'-dihydro-4'-phenylspiropyrazol>-1-one
• CAS No.: 138421-76-8
• Molecular Formula: C₁₇H₁₄N₂O
• Molecular Weight: 262.311

Synonyms:

Chemical Property of trans-4',5'-dihydro-4'-phenylspiropyrazol>-1-one

Chemical Property:

Purity/Quality:

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Technology Process of trans-4',5'-dihydro-4'-phenylspiropyrazol>-1-one

There total 1 articles about trans-4',5'-dihydro-4'-phenylspiropyrazol>-1-one 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: 84.6%

diazomethane (186581-53-3,908094-01-9,334-88-3) + (E)-2-benzylidene-2,3-dihydro-1H-inden-1-one (5706-12-7) → trans-4',5'-dihydro-4'-phenylspiropyrazol>-1-one (138421-76-8,145411-98-9)

Guidance literature:

In diethyl ether; acetone; at 0 ℃; for 48h;

DOI:10.1016/S0040-4020(01)80329-X

Reference yield: 64.2%

trans-4',5'-dihydro-4'-phenylspiropyrazol>-1-one (138421-76-8,145411-98-9) → C17H14O (114183-89-0,138422-02-3) + Z-2-(α-methylbenzylidene)-1-indanone (138421-93-9) + E-2-(α-methylbenzylidene)-1-indanone (138421-84-8)

Guidance literature:

In neat (no solvent); for 0.5h; Yields of byproduct given; Heating;

DOI:10.1016/S0040-4020(01)91007-5

Reference yield:

trans-4',5'-dihydro-4'-phenylspiropyrazol>-1-one (138421-76-8,145411-98-9) → C17H14N2O (147375-53-9)

Guidance literature:

With trifluoroacetic acid; In chloroform-d1; Ambient temperature;

DOI:10.1016/S0040-4020(01)80329-X

upstream raw materials:

diazomethane

(E)-2-benzylidene-2,3-dihydro-1H-inden-1-one

Downstream raw materials:

C₁₇H₁₄O

Z-2-(α-methylbenzylidene)-1-indanone

E-2-(α-methylbenzylidene)-1-indanone

C₁₇H₁₄N₂O

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