Reversal of the benzophenone reactivity upon η5-complexation to bis (η-cyclopentadienyl) zirconium
作者:Frank Rosenfeldt、Gerhard Erker
DOI:10.1016/s0040-4039(00)77773-2
日期:1980.1
Reversal of the carbonyl activity of benzophenone, serving as electron donor in single-electron transfer processes and acting as a proton acceptor through the ‘carbonyl’ carbon atom, is observed upon η2-complexation to zirconocene.
A polymer nanofiber scaffold includes a plurality of melt extruded nanofibers that are chemically modified to append surface functionality to the nanofibers.
聚合物纳米纤维支架包括多根经化学改性的熔融挤压纳米纤维,以在纳米纤维上附加表面功能。
Benzannulation from Alkyne without Metallic Catalysts at Room Temperature to 100 °C
作者:Tienan Jin、Fan Yang、Yoshinori Yamamoto
DOI:10.1021/ol902742u
日期:2010.1.15
An efficient, novel metal-catalyst-free aminobenzannulation of 2-(prop-2-ynyl)(oxo)benzenes 1 with various dialkylamines 2 afforded a variety of 2-aminonaphthalenes 3 in good to excellent yields under mild reaction conditions at room temperature to 100 degrees C (at most).
Gold-Catalyzed Intramolecular Carbocyclization of Alkynyl Ketones Leading to Highly Substituted Cyclic Enones
作者:Tienan Jin、Yoshinori Yamamoto
DOI:10.1021/ol702455v
日期:2007.12.1
The reaction of the internal alkynyl ketones 1 (n = 1) under the combined catalyst, AUCl(3) and AgSbF6, gave the enones 2 in good to high yields, whereas that of the terminal alkynyl ketones 1 (n = 0) under the combined catalyst, AuCl3 and AgOTf, afforded the cyclic enones 3.
TAXOID REVERSAL AGENTS FOR DRUG-RESISTANCE IN CANCER CHEMOTHERAPY AND PHARMACEUTICAL COMPOSITIONS THEREOF
申请人:THE RESEARCH FOUNDATION OF
STATE UNIVERSITY OF NEW YORK