We report a new protocol to form pentafluorosulfanyl (hetero)arenes via chlorine-fluorine exchange of (hetero)aryl tetrafluorosulfanyl chlorides by AgBF4. The method enables access to electron-deficient SF5(hetero)arenes, which are targets that are difficult to synthesize. Two advantages of AgBF4 are its ease of handling and stability. This would be a general transformation protocol.
Mechanistic and synthetic aspects of macrolide ring closure
作者:R.H. Wollenberg、J.S. Nimitz、D.Y. Gokcek
DOI:10.1016/s0040-4039(00)78608-4
日期:1980.1
“double-activation” mechanism for macrolide ring closure from relatively electron-rich 2-pyridyl thiolesters while a change of mechanism is observed for electron-poor 2-pyridyl thiolesters. Mechanistic and syntheticaspects of the ion-assisted cyclization are also discussed.
Nimitz, Jonathan S., Synthetic Communications, 1981, vol. 11, # 4, p. 273 - 280
作者:Nimitz, Jonathan S.
DOI:——
日期:——
WOLNICKA-RUTKOWSKA, Z.;TALIK, Z., PR. NAUK. AE WROCLAWIU, 1982, N 191, 151-161
作者:WOLNICKA-RUTKOWSKA, Z.、TALIK, Z.
DOI:——
日期:——
SILVESTROL ANTIBODY-DRUG CONJUGATES AND METHODS OF USE
申请人:Genentech, Inc.
公开号:US20170348422A1
公开(公告)日:2017-12-07
The invention relates generally to a silvestrol molecule activated with a leaving group. The invention further relates generally to an antibody-drug conjugate comprising an antibody conjugated by a linker to one or more silvestrol drug moieties and methods of treatment.