CAS RN: 502964-52-5 | Product Number: N1060
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|Appearance||Green to Dark green powder to crystal|
|Purity(HPLC)||min. 97.0 area%|
|Elemental analysis(Nitrogen)||5.90 to 6.50 %|
In a 200 mL two necked round bottomed flask, nitro-Grela (15 mg, 22 µmol) was added, and purged with N2. Dichloromethane (40 mL) was charged in the flask, and diethyl diallylmalonate (237 mg, 986 µmol) in dichloromethane (5.5 mL) was added dropwise and the mixture was stirred at room temperature for 6 h. The solvent was removed under reduced pressure and the residue was purified by silica-gel column chromatography (hexane : EtOAc = 1 : 1) to give diethyl cyclopent-3-ene-1,1-dicarboxylate as a pale yellow oil (206 mg, 98%).
The reaction mixture was monitored by NMR.
Analytical Data（Diethyl cyclopent-3-ene-1,1-dicarboxylate）
1H NMR (400 MHz, CDCl3); δ 5.61 (s, 2H), 4.20 (q, J = 8.0 Hz, 4H), 3.01 (s, 4H), 1.25 (t, J = 8.0 Hz, 6H).
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[TCI Practical Example] Olefin Metathesis Using nitro-Grela
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