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2 307 830

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(51)

IPC

C07D209/04(2006-01-01)

(21) (22)

Application

2006115185/04, 2006-05-02

(24)

Start date

2006-05-02

(22)

Actual filing date

2006-05-02

(45)

Published

2007-10-10

(72)

Inventor

Trofimov Boris AleksandrovichMikhaleva Al'Bina IvanovnaShmidt Elena Jur'EvnaRjapolov Oleg AlekseevichPlatonov Vladimir Borisovich

(73)

Holder

Irkutskij Institut Khimii Im. A.E. Favorskogo Sibirskogo Otdelenija Rossijskoj Akademii Nauk So Ran)Zao Namaj

METHOD FOR INDOLE PRODUCTION Russian patent published in 2007 - IPC C07D209/04

Abstract RU 2307830 C1

FIELD: organic chemistry.

SUBSTANCE: claimed method includes catalytic dehydration of commercial 4,5,6,7-tetrahydroindole with 0.1-5.0 % nickel sulfide, carried on alumina, at 250-400°C in solvent in presence or absence of inert gas. Yield of target product is 92-96 % and selectivity is 100 %.

EFFECT: method of high yield and selectivity.

3 cl, 9 ex

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RU 2 307 830 C1

Authors

Trofimov Boris Aleksandrovich

Mikhaleva Al'Bina Ivanovna

Shmidt Elena Jur'Evna

Rjapolov Oleg Alekseevich

Platonov Vladimir Borisovich

Dates

2007-10-10—Published

2006-05-02—Filed