RU93057814A - METHOD FOR PRODUCING 1,2-DIHYDRO-3H-CARBAZOL-4-OH - Google Patents

METHOD FOR PRODUCING 1,2-DIHYDRO-3H-CARBAZOL-4-OH

Info

Publication number
RU93057814A
RU93057814A RU93057814/04A RU93057814A RU93057814A RU 93057814 A RU93057814 A RU 93057814A RU 93057814/04 A RU93057814/04 A RU 93057814/04A RU 93057814 A RU93057814 A RU 93057814A RU 93057814 A RU93057814 A RU 93057814A
Authority
RU
Russia
Prior art keywords
carbazol
dihydro
producing
monophenylhydrazone
cyclized
Prior art date
Application number
RU93057814/04A
Other languages
Russian (ru)
Other versions
RU2041873C1 (en
Inventor
Л.Н. Лаврова
С.Ю. Тарасов
В.Г. Яшунский
Original Assignee
НПЦ "Фармзащита" МЗ РФ
Filing date
Publication date
Application filed by НПЦ "Фармзащита" МЗ РФ filed Critical НПЦ "Фармзащита" МЗ РФ
Priority to RU93057814A priority Critical patent/RU2041873C1/en
Priority claimed from RU93057814A external-priority patent/RU2041873C1/en
Application granted granted Critical
Publication of RU2041873C1 publication Critical patent/RU2041873C1/en
Publication of RU93057814A publication Critical patent/RU93057814A/en

Links

Claims (1)

Предложен способ получения 1,2-дигидро-3Н-карбазол-4-она, заключающийся в том, что монофенилгидразон циклогексан-1,3-диона циклизуют при нагревании в присутствии кислот фосфора, обычно ортофосфорной кислоты.A method for producing 1,2-dihydro-3H-carbazol-4-one is proposed, which consists in the fact that monophenylhydrazone cyclohexane-1,3-dione is cyclized by heating in the presence of phosphorus acids, usually phosphoric acid.
RU93057814A 1993-12-29 1993-12-29 Process for preparing 1,2-dihydro-3h-carbozol-4-one RU2041873C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU93057814A RU2041873C1 (en) 1993-12-29 1993-12-29 Process for preparing 1,2-dihydro-3h-carbozol-4-one

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU93057814A RU2041873C1 (en) 1993-12-29 1993-12-29 Process for preparing 1,2-dihydro-3h-carbozol-4-one

Publications (2)

Publication Number Publication Date
RU2041873C1 RU2041873C1 (en) 1995-08-20
RU93057814A true RU93057814A (en) 1996-12-27

Family

ID=20150956

Family Applications (1)

Application Number Title Priority Date Filing Date
RU93057814A RU2041873C1 (en) 1993-12-29 1993-12-29 Process for preparing 1,2-dihydro-3h-carbozol-4-one

Country Status (1)

Country Link
RU (1) RU2041873C1 (en)

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