Introduction to Novel Tetracyclic

The reaction was inspected synthetically to achieve the synthesis of 11 novel tetracyclic structures with moderate to very good yields (39-85%).

Novel tetracyclic 5-aryl-5,6-dihydroquinolino[2,1-b]quinazolin-12-ones bearing benzo-15-crown-5 ether and dimethoxyphenyl moieties were prepared by one-pot cascade synthesis involving the thermally allowed pericyclic transformations of (E)-2-(2-methoxystyryl)quinazolinones.

An efficient, cost-effective and environmentally benign synthesis of novel tetracyclic bis-isoxazolopyrroloquinoline derivatives has been developed via one-pot four-component reaction of 4-amino-3-methyl-5-styrylisoxazoles, dimedone, aryl glyoxal monohydrates and 5-amino-3-methylisoxazole by employing water as a reaction medium and acetic acid (AcOH) as a green promoter.

We propose the name "nor-allodammarane" for this novel tetracyclic 6,5 + 5,5 ring system and the name "nor-allogammacerane" for the pentacyclic 6,5 + 5,5 + 6 ring system.

Here we report the discovery and purification of a novel tetracyclic alkaloid secreted by the rotifer Rotaria rotatoria , which lives commensally on snails that serve as intermediate hosts for S.

Here, we report the purification and chemical characterization of Schistosome Paralysis Factor (SPF), a novel tetracyclic alkaloid produced by the rotifer Rotaria rotatoria.

Herein we report the use of metathesis to construct a novel tetracyclic core in a series of estrogen receptor degraders.

A series of novel tetracyclic core-containing HCV NS5A inhibitors has been discovered.

Here, we report the purification and chemical characterization of Schistosome Paralysis Factor (SPF), a novel tetracyclic alkaloid produced by the rotifer Rotaria rotatoria.