Iodine is shown to be an efficient catalyst for the Friedel–Craftsalkylation of arenes with a wide variety of aldehydes in toluene under ‘open-flask’ and mild conditions. In the presence of 10 mol % of iodine, the reaction of arenes with aromaticaldehydes gives the corresponding triarylmethane derivatives (TRAMs), regioselectively, in good to excellent yields. On the other hand, a series of diarylalkane
An efficient and practical synthesis of triaryl and trisindolylmethanes is reported via the bisarylation of aryl aldehydes with activated arenes. The new method features mild solvent-free reaction conditions, in most cases nearly stoichiometric reagent ratios, catalytic amount of the readily available, easily-handled, recoverable and reusable Brønsted acid catalyst o-benzenedisulfonimide.
4,4'-Dihydroxytriphenylmethanes were synthesized usingBrønstedacid or Lewis acid in yields of 24-86% as target compounds for developing antiviral agents. Most of the 4,4'-dihydroxytriphenylmethanes showed significant activity against herpes simplex virus type 1 (anti-HSV-1 activity) in a plaque reduction assay. Higher cytotoxicity was observed generally in halogenated 4,4'-dihydroxytriphenylmethanes
CURABLE RESIN COMPOSITION, CURABLE RESIN MOLDED BODY, CURED RESIN MOLDED BODY, METHOD FOR PRODUCING EACH OF SAME, AND LAMINATE BODY
申请人:LINTEC CORPORATION
公开号:US20140350187A1
公开(公告)日:2014-11-27
Provided is a curable resin composition comprising a thermoplastic resin (A) that includes a cyclic structure in its main chain, and has a glass transition temperature (Tg) of 140° C. or more, and a monofunctional curable monomer (B). The present invention provides: a cured resin formed article that has heat resistance and low birefringence, a method for producing the same, a curable resin composition and a curable resin formed article that are useful as a raw material for producing the cured resin formed article, and a laminate that includes a layer formed of a cured resin.