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2 100 344

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C1

(51)

IPC

(21) (22)

Application

93033756/04, 1993-06-30

(22)

Actual filing date

1993-06-30

(45)

Published

1997-12-27

(72)

Inventor

Sereda G.A.Skvarchenko V.R.Lapteva V.L.

(73)

Holder

Khimicheskij Fakul'Tet Mgu Im.M.V.Lomonosova

METHOD FOR PRODUCTION OF TRIS-FORMYLTRYPTICENE Russian patent published in 1997 - IPC

Abstract RU 2100344 C1

FIELD: organic chemistry. SUBSTANCE: initially trypticene is affected by formulation by $$$-dichlorodimethyl ether, the process is carried out in nitromethane in the presence of aluminium chloride and hydrogen chloride. Molar ratio of trypticene, aluminium chloride, hydrogen chloride and dichlorodimethyl ether is 1:3-6:0.10-0.089:4-7, respectively. Further formulation is carried out while molar ratio of these reagents is 1:7-11:0.27-0.089:8-12, respectively. The process is followed by chromatographic separation of desired product. Summary yield is 37-57 %. EFFECT: simple and convenient method for production of novel tris-formyltrpticene. 1 tbl

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RU 2 100 344 C1

Authors

Sereda G.A.

Skvarchenko V.R.

Lapteva V.L.

Dates

1997-12-27—Published

1993-06-30—Filed

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