Ultrasound assisted multicomponent reactions: A green method for the synthesis of N-substituted 1,8-dioxo-decahydroacridines using β-cyclodextrin as a supramolecular reusable catalyst in water
作者:Asha V. Chate、Umesh B. Rathod、Jagdish S. Kshirsagar、Pradip A. Gaikwad、Kishor D. Mane、Pravin S. Mahajan、Mukesh D. Nikam、Charansingh H. Gill
DOI:10.1016/s1872-2067(15)61005-1
日期:2016.1
the synthesis of N-substituted 1,8-dioxo-decahydroacridines using β-cyclodextrin as a supramolecular, biodegradable, and reusable catalyst in aqueous medium. The reaction product is in excellent yield with moderate to excellent selectivity. The mechanistic transformation presumably proceeds via a one-pot, multicomponent cyclization of dimedone in the presence of aromatic aldehydes and aromatic amines/INH
Microwave assisted one-pot synthesis of highly potent novel isoniazid analogues
作者:Thimmappa H. Manjashetty、Perumal Yogeeswari、Dharmarajan Sriram
DOI:10.1016/j.bmcl.2011.01.122
日期:2011.4
A series of novel isoniazid (INH) analogues were synthesized by microwave assisted one pot reaction of INH, various benzaldehydes and dimedone in water with catalytic amount of DBSA. The synthesized compounds were evaluated for their anti-TB activity against Mycobacterium tuberculosis H37Rv (MTB) and multi-drug resistant Mycobacterium tuberculosis (MDR-TB). Among the 29 compounds, compound N-[9-[2-(benzyloxy)phenyl]-3,3,6,6-tetramethyl-1,8-dioxo-2,3,4,5,6,7,8,9-octahydro-10(1H)-acridinyl] isonicotinamide (12) inhibited MTB with MIC of <0.17 mu M and MDR-TB with MIC of 0.69 mu M. (C) 2011 Elsevier Ltd. All rights reserved.
Baker’s yeast: An efficient, green, and reusable biocatalyst for the one-pot synthesis of biologically important <i>N</i>-substituted decahydroacridine-1,8-dione derivatives
作者:Asha V. Chate、Shital B. Sukale、Reshma S. Ugale、Charansingh H. Gill
DOI:10.1080/00397911.2016.1266501
日期:2017.3.4
ABSTRACT A green approach for one-pot three-component synthesis of N-substituted decahydroacridine-1,8-diones is offered for the first time using baker’s yeast (Saccharomyces cerevisiae) as a biocatalyst under ultrasonication. Due to growing safety and environmental concerns, enzymatic methods were constantly investigated as an attractive alternative to toxic and nonspecific chemical approaches. This