Application of the Intramolecular Isomerisation–Aldolisation from Allylic Alcohols and Allylic Silyl Ethers to the Synthesis of Indanones and Indenones
作者:Julien Petrignet、Thierry Roisnel、René Grée
DOI:10.1002/chem.200700613
日期:2007.9.7
A new access to indanones was discovered through a one-step nickel or iron-mediated transposition of 2-hydroxyisobenzofurans. Starting from the corresponding silylenol ethers, a new one-pot tandem isomerisation-Mukaiyama aldol process was also developed. These versatile strategies will be useful for the preparation of various types of indanones and indenones.
Selective Mono and Biscondensations of Dialdehydes with Methylacrylate
作者:Yves Fort、Marie-Christine Berthe、Paul Caubére
DOI:10.1080/00397919208019308
日期:1992.5
DABCO-catalysed mono and biscondensations of dialdehydes with methylacrylate can be easily performed with good to high selectivity under mild conditions.
Engaging Morita-Baylis-Hillman Reaction for the Generation of Isobenzofuran and the Consequent Entry into Highly Substituted Aromatic Systems
作者:Vijay Nair、K. G. Abhilash
DOI:10.1055/s-2005-869953
日期:——
The hemiacetal resulting from the Morita-Baylis-Hillman (M-B-H) reaction of o-phthalaldehyde is shown to be an excellent precursor for the synthesis of polycyclic aromatic hydrocarbons. The former on acid-catalyzed dehydration generates an isobenzofuran intermediate, which in turn is trapped with various electron-deficient dienophiles leading to a facile synthesis of functionalized aromatic systems