TY - JOUR AU - Renaud, Philippe AU - Vionnet, Jean-Paul PY - 1994/10/26 Y2 - 2024/03/29 TI - One-Step Introduction of Two Substituents onto 7-Oxabicyclo[2.2.1]hept-5-en-2-one Derivatives via Radical Phenylselanyl-Group Transfer Reactions JF - CHIMIA JA - Chimia VL - 48 IS - 10 SE - Scientific Articles DO - 10.2533/chimia.1994.471 UR - https://www.chimia.ch/chimia/article/view/1994_471 SP - 471 AB - <p>Radical-mediated phenylselanyl-group transfer reactions have been used to introduce simultaneously substituents at the C(6)-<em>endo</em>- and C(5)-<em>exo</em>-positions of 7-oxabicyclo[2.2.1]hept-5-en-2-one derivatives. The key steps are a radical addition to a silyl ketene acetal and the cyclization of a 1-alkoxy-substituted ester radical.</p> ER -