Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Consortium fuer Elektrochemische Industrie GmbH
Original Assignee
Consortium fuer Elektrochemische Industrie GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
C07D209/04—Indoles; Hydrogenated indoles
C07D209/30—Indoles; Hydrogenated indoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to carbon atoms of the hetero ring
C07D209/32—Oxygen atoms
C07D209/36—Oxygen atoms in position 3, e.g. adrenochrome
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur
(AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems
(AREA)
Abstract
17,143. Consortium fur Elektrochemische Industrie Ges. July 30, 1909, [Convention date]. Hydrogen is obtained, in a process for producing indoxyl, by introducing calcium silicide into a melted mixture of caustic soda and potash.
GB191017143D1909-07-301910-07-19Improvements in or relating to the Production of Indoxyl, its Derivatives or Homologues.
ExpiredGB191017143A
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