51035-18-8Relevant academic research and scientific papers
1,3,6-Trimethyl-6H-pyrano[4,3-b]carbazole-2-pyrylium Perchlorate. Synthesis and Mechanisms of Formation and Recyclization
Kharaneko
, p. 1670 - 1674 (2018)
A method of synthesis is proposed and alternative mechanisms of formation of 1,3,6-trimethyl-6Hpyrano[ 4,3-b]carbazole-2-pyrylium perchlorate and its recyclization to 1,3,6-trimethyl-6H-pyrido[4,3-b]- carbazole, a close analog of the natural alkaloid ellipticine, are discussed.
Heterocyclic compounds, their preparation and their therapeutic use
-
, (2008/06/13)
A compound of formula (I): STR1 wherein Y1, Y2, Y3 and Y4 are each hydrogen, halogen, nitro, cyano, hydroxyl, thiol, amino, alkyl, haloalkyl, alkylthio, a protected or unprotected carboxyl, a protected or unprotected sulfonamide, or tetrazol; one of R1 and R2 is hydrogen, alkyl, aryl, aralkyl, oxazolyl, or a protected or unprotected carboxyl and the other of R1 and R2 is hydrogen, alkyl, aryl or aralkyl; and R3 is hydrogen or an amino protecting group, and pharmaceutically acceptable salts or esters thereof. The compounds are effective for treating dementia, Alzheimer's disease and delirium and are effective as sedatives.
