Citation:
	            
		            Hong  San-Guo. Quantum Chemical Study of the Thermolysis of Chroman[J]. Acta Physico-Chimica Sinica,
							;1995, 11(04): 297-301.
						
							doi:
								10.3866/PKU.WHXB19950403
						
					
				
					
				
	        
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The AM1 method has been used to study the thermolysis of chroman. The results obtained by the UHF calculations show that this thermolysis proceeds to products through two routes involving two steps, and the activation energies of the rate-determining steps of the route (Ⅰ) as well as route (Ⅱ) are 165.402 and 198.355 kJ•mol-1, respectively.
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								Keywords:
								
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Chroman
, - Thermolysis,
 - Transition state
 
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