Synthetic studies toward complex diterpenoids. 16. A novel synthetic route to the carbocyclic skeleta of stemodin and stemarin by acid-catalyzed intramolecular C-alkylation and rearrangement reactions
Synthetic studies toward complex diterpenoids. 16. A novel synthetic route to the carbocyclic skeleta of stemodin and stemarin by acid-catalyzed intramolecular C-alkylation and rearrangement reactions
Aryl-participated intramolecular cyclisation of diazomethyl ketones. stereo-controlled synthesis of bridged tetracyclic systems related to terpenoids
作者:Sanat K. Maity、Sukanta Bhattacharyya、Debabrata Mukherjee
DOI:10.1039/c39860000481
日期:——
New stereocontrolled routes to the bridgedtetracyclicketones (2) and (3) have been developed utilising acid-catalysed intramolecularcyclisation of the diazomethylketones (19) and (22) as the key steps.
A formylation-cyclization method of synthesis of cycloalkenones from unsaturated ketones. 2. Simple synthesis of some functionalized bicyclo[3.3.1]nonane derivatives
作者:Ratna Chakraborti、Brindaban C. Ranu、Usha Ranjan Ghatak
DOI:10.1021/jo00225a054
日期:1985.12
Synthetic studies toward complex diterpenoids. 16. A novel synthetic route to the carbocyclic skeleta of stemodin and stemarin by acid-catalyzed intramolecular C-alkylation and rearrangement reactions
作者:Pranab R. Kanjilal、Manish Sarkar、Swapan K. Patra、Subrata Ghosh、Usha Ranjan Ghatak