141075-49-2Relevant academic research and scientific papers
Solvent-free synthesis of 5-oxo-5,6,7,8-tetrahydro-4H-benzo-[b]-pyran derivatives under microwave irradiation
Hu, Xue Yuan,Fan, Xue Sen,Zhang, Xin Ying,Qu, Gui Rong,Li, Yan Zhen
, p. 1054 - 1057 (2006)
Several benzo-[b]-pyran derivatives were prepared via microwave irradiation under solvent-free conditions in the presence of InCl3· 4H2O. The advantages of this method include simple operational process, environmental benignancy, and
A convenient one pot synthesis of substituted and unsubstituted 2, 4-diaryl-5-oxo-5,6,7,8-tetrahydro-2-chromens
Ahmed,Ahmed,Romman,Sultana,Hena,Kiyooka
, p. 368 - 371 (2007/10/03)
Anhydrous zinc chloride catalysed reactions of arylideneacetophenones 2a-c give 2, 4-diaryl-5-oxo-5, 6, 7, 8-tetrahydro-2-chromens 4a-c with 1, 3- cyclohexanedione. Under similar conditions arylideneacetophenones 2a-b and 2d-f react with 5, 5 -dimethyl -1
An efficient and simple one-pot synthesis of 2,4-diaryl-7,7-dimethyl-5-oxo-5,6,7,8-tetrahydro-4H-1-benzopyrans
Ahluwalia, V K,Kiran, Sushma,Aggarwal, R,Arora, K K
, p. 1095 - 1097 (2007/10/02)
A convenient and efficient one-pot synthesis of the title 4H-benzopyrans (8-13) has been achieved by the condensation of 5,5-dimethyl-1,3-cyclohexanedione with different chalcones.
