METHOD OF ISOLATION OF PERFLUORO-M-XYLENE FROM THE ISOMERIC MIXTURE OF PERFLUORO-P- AND -M-XYLENES Russian patent published in 1997 - IPC

Abstract SU 1711453 A1

FIELD: chemical technology. SUBSTANCE: invention relates to organohaloid compounds. The parent mixture is brominated and fluorinated with a mixture of antimony pentafluoride and bromine at 20-50 C at molar ratio of perfluoroxylenes : SbF₅ : Br₂ = 1:(2-3):(2-3), respectively. Synthesized dibromoperfluoro-1,3-dimethylcyclohexenes were isolated by distillation and dehalogenated. EFFECT: simplified method. 1 tbl

Similar patents SU1711453A1

Title	Year	Author	Number
METHOD OF ISOLATION OF PERFLUORO-M-XYLENE FROM THE MIXTURE OF ISOMERIC PERFLUORO-P- AND -M-XYLENES	1990	Krasnov V.I. Platonov V.E.	SU1676226A1
METHOD OF PRODUCING OXAPERFLUOROALKANE SULPHONIC ACIDS AND SALTS THEREOF	2012	Igumnov Sergej Mikhajlovich Sterlin Sergej Rafailovich Tjutjunov Andrej Aleksandrovich	RU2503659C1
METHOD FOR BROMINATION OF XYLENES INTO RING	2015	Kazakov Pavel Vasilevich Lukashov Oleg Ivanovich Mirzabekova Natalja Sergeevna Gorelenko Svetlana Vasilevna	RU2601752C1
OXA- AND POLYOXAPERFLUOROALKYLBROMIDES AND METHOD OF THEIR OBTAINING	2012	Igumnov Sergej Mikhajlovich Sterlin Sergej Rafailovich Tjutjunov Andrej Aleksandrovich Mikhajlova Zoja Aleksandrovna	RU2497801C1
REAGENT FOR INTRODUCTION OF PERFLUORO-TERT-BUTYL GROUP, METHOD FOR PRODUCTION THEREOF AND METHOD FOR PRODUCING PERFLUORO-TERT-BUTYL-SUBSTITUTED COMPOUNDS	2015	Igumnov Sergej Mikhajlovich Tjutjunov Andrej Aleksandrovich Sinko Aleksandr Vladimirovich	RU2602240C1
	0		SU328081A1
METHOD OF PERFLUORO-2-BROMEOTHYLVINYL ESTER SYNTHESIS	0	Klaudio Dzhervasutti	SU1839669A3
PROCESS FOR PREPARING 4-TERT-ALKYL-O-XYLENES	0	Pozdnyakovich Yurij Vasilevich Kondratova Galina Borisovna Sysa Vasilij Markovich Zinchenko Valentina Petrovna	SU1745713A1
METHOD FOR PRODUCING PERFLUOR(2,2-DIMETHYL-1,3-DIOXOL)	2016	Igumnov Sergej Mikhajlovich Bojko Vladimir Eduardovich Sinko Aleksandr Vladimirovich Sokolov Viktor Ivanovich	RU2633352C1
METHOD OF PRODUCING 2-ISOPROPYL-P-XYLENE AND 2,5-DIISOPROPYL-P-XYLENE	2009	Bondaruk Anatolij Moiseevich Kaniber Vladimir Viktorovich Sabirov Ravel' Gazimovich Nazimok Vladimir Filippovich Nazimok Ekaterina Nikolaevna Atroshchenko Jurij Mikhajlovich Fedjaev Vladimir Ivanovich	RU2415123C1

SU 1 711 453 A1

Authors

Krasnov V.I.

Platonov V.E.

Dates

1997-06-20—Published

1990-01-02—Filed