346601-94-3Relevant academic research and scientific papers
Synthesis of phenanthrenes from formylbenzoquinone
Kraus, George A,Hoover, Kim,Zhang, Ning
, p. 5319 - 5321 (2007/10/03)
Phenanthrenes are synthesized by condensation of formylbenzoquinone with a substituted toluene followed by O-methylation and cyclization using the phosphazine base P4-tBu.
Regiochemical control by remote substituents. A direct synthesis of tetrangulol
Kraus,Zhang,Melekhov,Jensen
, p. 521 - 522 (2007/10/03)
Diels-Alder reactions of quinones 4 and 10 exhibit remarkable regioselectivity. This selectivity plus a novel phosphazine-mediated cyclization has led to a six-step synthesis of tretrangulol.
