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2 434 843

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(51)

IPC

C07C67/30(2006-01-01)

C07C67/343(2006-01-01)

C07C69/753(2006-01-01)

(21) (22)

Application

2008142156/04, 2008-10-23

(24)

Start date

2008-10-23

(22)

Actual filing date

2008-10-23

(45)

Published

2011-11-27

(72)

Inventor

Dzhemilev Usein MemetovichTuktarov Ajrat RamilevichAkhmetov Arslan RifkhatovichIbragimov Askhat GabdrakhmanovichSadykov Rais Askhatovich

(73)

Holder

Uchrezhdenie Rossijskoj Akademii Nauk Institut Neftekhimii I Kataliza Ran

METHOD OF PRODUCING 1'a-METHYL-1'a-ETHYLFORMYL-1'a-CARBA-1'(2')a-HOMO(C-I)[5,6]FULLERENE Russian patent published in 2011 - IPC C07C67/30 C07C67/343 C07C69/753

Abstract RU 2434843 C2

FIELD: chemistry.

SUBSTANCE: invention relates to organic chemistry and specifically to a method of producing functionally substituted fullerenes used as complexing agents, sorbents and biologically active compounds. The method of producing 1'a-methyl-1'a-ethylformyl-1'a-carba-1'(2')a-homo(C₆₀-Ih)[5,6]fullerene of formula (1) is characterised by that C₆₀-fullerene reacts with α-methyldiazoacetic ester of formula N₂C(Me)COOEt, in α-dichlorobenzene in the presence of a three-component catalyst {Pd(acac)₂ : 2PPh₃:4Et₃Al}, taken in molar ratio C₆₀:α-methyldiazoacetic ester :Pd(acac)₂:PPh₃:Et₃Al = 0.01:(0.01-0.10):(0.0015-0.0025):(0.003-0.005):(0.006-0.01), preferably 0.01:0.05:0.002:0.004:0.008 at temperature 40°C for 0.25-1.0 hours.

EFFECT: desired product is obtained with 58-86% output.

1 tbl

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RU 2 434 843 C2

Authors

Dzhemilev Usein Memetovich

Tuktarov Ajrat Ramilevich

Akhmetov Arslan Rifkhatovich

Ibragimov Askhat Gabdrakhmanovich

Sadykov Rais Askhatovich

Dates

2011-11-27—Published

2008-10-23—Filed