TY - RPRT TI - A ring-expansion methodology involving multicomponent reactions: highly efficient access to polysubstituted furan-fused 1,4-thiazepine derivatives. AU - Cheng Ma AU - Hanfeng Ding AU - Yiping Zhang AU - Ming Bian PY - 2006 DO - 10.1002/anie.200602836 UR - https://pubmed.ncbi.nlm.nih.gov/17054307/ ID - 17054307 ER -