METHOD OF PRODUCING 3'-METHYL-3'-FURYL- OR 3'-METHYL-3'-THIENYL-3'H-CYCLOPROPA[1,9](C-I)[5,6]FULLERENES Russian patent published in 2013 - IPC C07D307/00 C07D333/00

Abstract RU 2478629 C2

FIELD: chemistry.

SUBSTANCE: invention relates to a method of producing 3'-methyl-3'-furul- or 3'-methyl-3'-thienyl-3'H-cyclopropa[1,9](C₆₀-I_h)[5,6]fullerenes of formula (1),

which can be used as effficient nano-component additives for industrial oil, as complexing agents and as novel optoelectronic materials. The method involves reaction of fullerene (C₆₀) with heterocycle-containing diazoalkanes which are generated in situ by oxidation of hydrazones of 2-acetyl furan or 2-acetyl thiophene with MnO₂, in the presence of a three-component catalyst Pd(acac)₂:2PPh₃:4Et₃Al}, taken in molar ratio C₆₀:diazo-compound:Pd(acac)₂:PPh₃:Et₃Al=0.01:(0.01-0.03):(0.0015-0.0025):(0.003-0.005):(0.006-0.01), at temperature of 20°C for 0.25-1.0 hours. Output is equal to 36-60%.

EFFECT: method of producing 3'-methyl-3'-furyl- or 3'-methyl-3'-thienyl-3'H-cyclopropa[1,9](C₆₀-I_h)[5,6]fullerenes is disclosed.

1 cl, 1 tbl

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RU 2 478 629 C2

Authors

Dzhemilev Usein Memetovich

Tuktarov Ajrat Ramilevich

Khuzin Artur Al'Bertovich

Dates

2013-04-10—Published

2011-07-15—Filed