Transformation of strictosamide to vincoside lactam by acid catalysis.
	    		
		   		
		   			
		   		
	    	
    	 
    	10.1016/S1875-5364(13)60048-5
   		
        
        	
        	
        	
        		- Author:
	        		
		        		
		        		
			        		Zhao-Qing MENG
			        		
			        		
			        		
			        			1
			        			
			        		
			        		
			        		
			        		
			        		;
		        		
		        		
		        		
			        		Wen-Jun LIU
			        		
			        		;
		        		
		        		
		        		
			        		Zan LI
			        		
			        		;
		        		
		        		
		        		
			        		Yun-Wei LIN
			        		
			        		;
		        		
		        		
		        		
			        		Meng-Xuan LI
			        		
			        		;
		        		
		        		
		        		
			        		Shi-Ying AN
			        		
			        		;
		        		
		        		
		        		
			        		Gang DING
			        		
			        		;
		        		
		        		
		        		
			        		Zhen-Zhong WANG
			        		
			        		;
		        		
		        		
		        		
			        		Wei XIAO
			        		
			        		;
		        		
		        		
		        		
			        		Jin-Yi XU
			        		
			        		
		        		
		        		
		        		
		        		
		        			
			        		
			        		Author Information
			        		
		        		
		        		
			        		
			        		
			        			1. Jiangsu Zeukov Pharmaceutical S & T. Inc, Nanjing 210017, China.
			        		
		        		
	        		
        		 
        	
        	
        	
        		- Publication Type:Journal Article
 
        	
        	
            
            	- MeSH:
            	
	        			
	        				
	        				
				        		
					        		Acids;
				        		
			        		
				        		
					        		chemistry;
				        		
			        		
				        		
					        		Catalysis;
				        		
			        		
				        		
					        		Lactams;
				        		
			        		
				        		
					        		chemistry;
				        		
			        		
				        		
					        		Molecular Structure;
				        		
			        		
				        		
					        		Vinca Alkaloids;
				        		
			        		
				        		
					        		chemistry
				        		
			        		
	        			
	        			
            	
            	
 
            
            
            	- From:
	            		
	            			Chinese Journal of Natural Medicines (English Ed.)
	            		
	            		 2013;11(2):188-192
	            	
            	
 
            
            
            	- CountryChina
 
            
            
            	- Language:English
 
            
            
            	- 
		        	Abstract:
			       	
			       		
				        
				        	AIM:To identify the structure of the acid-catalyzed product of strictosamide and explore the reaction mechanism.
				        	
				        
				        	METHODS:The acid-catalyzed reaction process of strictosamide was monitored by HPLC, and a macroporous resin was used to purify the reaction solution. The structure of the product was confirmed by MS, NMR, and ROESY spectra.
				        	
				        
				        	RESULTS:The acid-catalyzed transformation yield from strictosamide to vincoside lactam was 52%.
				        	
				        
				        	CONCLUSION:The reaction mechanism of the transformation from strictosamide to vincoside lactam may be related to the stability of the three-dimensional configuration of the compound. These results offer a new way to obtain vincoside lactam from the widely distributed indole alkaloid strictosamide by acid-catalysis.