@misc{indiciae50e762f528a1, title = {Studies dealing with thionium ion promoted mannich cyclization reactions.}, author = {A Padwa and A G Waterson}, year = {2000}, doi = {10.1021/jo991414h}, url = {https://pubmed.ncbi.nlm.nih.gov/10813921/}, note = {Source identifier: 10813921} }