RU96110972A - METHOD OF JOINT PREPARATION OF 1- (DIALKYLAMINO) -2-PHENYLALUMACYCLOPROPANE AND 1- (DIALKYLAMINO) -2,4-DIPHENYLALYMACCLOPENTAN - Google Patents

METHOD OF JOINT PREPARATION OF 1- (DIALKYLAMINO) -2-PHENYLALUMACYCLOPROPANE AND 1- (DIALKYLAMINO) -2,4-DIPHENYLALYMACCLOPENTAN

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Publication number
RU96110972A
RU96110972A RU96110972/04A RU96110972A RU96110972A RU 96110972 A RU96110972 A RU 96110972A RU 96110972/04 A RU96110972/04 A RU 96110972/04A RU 96110972 A RU96110972 A RU 96110972A RU 96110972 A RU96110972 A RU 96110972A
Authority
RU
Russia
Prior art keywords
dialkylamino
phenylalumacyclopropane
diphenylalymacclopentan
joint preparation
styrene
Prior art date
Application number
RU96110972/04A
Other languages
Russian (ru)
Other versions
RU2156771C2 (en
Inventor
У.М. Джемилев
А.Г. Ибрагимов
Л.О. Хафизова
Р.М. Султанов
Л.М. Халилов
Р.В. Кунакова
Original Assignee
Институт нефтехимии и катализа с опытным заводом АН РБ
Filing date
Publication date
Application filed by Институт нефтехимии и катализа с опытным заводом АН РБ filed Critical Институт нефтехимии и катализа с опытным заводом АН РБ
Priority to RU96110972A priority Critical patent/RU2156771C2/en
Priority claimed from RU96110972A external-priority patent/RU2156771C2/en
Publication of RU96110972A publication Critical patent/RU96110972A/en
Application granted granted Critical
Publication of RU2156771C2 publication Critical patent/RU2156771C2/en

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Claims (1)

Способ совместного получения 1-(диалкиламино)-2-фенилалюмациклопропана и 1-(диалкиламино)-2,4-дифенилалюмациклопентана, отличающийся тем, что стирол взаимодействует с диалкиламинодихлораланами общей формулы
R2N-AlCl2,
где R = Et, н-Bu, ц-C6H12,
и металлическим магнием, взятыми в мольном соотношении
Figure 00000001

в присутствии катализатора четыреххлористого циркония (ZrCl4) в количестве 3 - 5 мол.% по отношению к стиролу, в атмосфере аргона при нормальных условиях в среде тетрагидрофурана.The method of joint production of 1- (dialkylamino) -2-phenylalumocyclopropane and 1- (dialkylamino) -2,4-diphenyl-lumacyclopentane, characterized in that styrene interacts with dialkylaminodichloroanes of the general formula
R 2 N-AlCl 2 ,
where R = Et, n-Bu, c-C 6 H 12 ,
and metallic magnesium, taken in molar ratio
Figure 00000001

in the presence of a catalyst of zirconium tetrachloride (ZrCl 4 ) in an amount of 3–5 mol.% with respect to styrene, in an atmosphere of argon under normal conditions in tetrahydrofuran medium.
RU96110972A 1996-05-30 1996-05-30 Method of combined preparation of 1-(dialkylamino)-2- phenylaluma cyclopentane and 1-(dialkylamino)-2,4- diphenylalumacyclopentane RU2156771C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU96110972A RU2156771C2 (en) 1996-05-30 1996-05-30 Method of combined preparation of 1-(dialkylamino)-2- phenylaluma cyclopentane and 1-(dialkylamino)-2,4- diphenylalumacyclopentane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU96110972A RU2156771C2 (en) 1996-05-30 1996-05-30 Method of combined preparation of 1-(dialkylamino)-2- phenylaluma cyclopentane and 1-(dialkylamino)-2,4- diphenylalumacyclopentane

Publications (2)

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RU96110972A true RU96110972A (en) 1998-08-20
RU2156771C2 RU2156771C2 (en) 2000-09-27

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RU96110972A RU2156771C2 (en) 1996-05-30 1996-05-30 Method of combined preparation of 1-(dialkylamino)-2- phenylaluma cyclopentane and 1-(dialkylamino)-2,4- diphenylalumacyclopentane

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1748767B1 (en) 2004-05-28 2011-12-28 Unigen, Inc. 1-(3-methyl-2,4-dimethoxyphenyl)-3-(2',4'-dihydroxyphenyl)-propane as a potent tyrosinase inhibitor
PL3542780T3 (en) 2008-07-21 2022-05-02 Unigen, Inc. Series of skin-whitening (lightening) compounds
ES2859700T3 (en) 2011-03-24 2021-10-04 Unigen Inc Compounds and methods for the preparation of diarylpropanes

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