Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Azusa Wada"'
Publikováno v:
Organic Letters. 9:1295-1298
[structure: see text]. Enantioenriched C2-symmetric spirobipyridine ligands were efficiently synthesized through a cationic rhodium(I)/(R)-Segphos or (R)-H8-BINAP complex-catalyzed enantioselective intramolecular double [2 + 2 + 2] cycloaddition of b
Publikováno v:
Chemistry - A European Journal. 11:1145-1156
A highly regioselective intermolecular cyclotrimerization of terminal alkynes has been developed based on the use of the cationic rhodium(I)/DTBM-Segphos complex. This method can be applied to a variety of terminal alkynes to provide 1,2,4-trisubstit
Autor:
Azusa Wada, Tetsuji Nagao
Publikováno v:
Congenital Anomalies. 34:65-70
A single dose of methylnitrosourea (MNU, 25–100 mg/kg) was injected intraperitoneally into ICR strain male mice. The males were mated to untreated females of the same strain on days 1–21 and 64–80 after the treatment. On day 18 of pregnancy, th
Autor:
Masahiro Mizutani, Yoshiaki Saito, Chiaki Watanabe, Yasuo Ishizuka, Tetsuji Nagao, Azusa Wada
Publikováno v:
Congenital Anomalies. 33:147-155
The sensitive period and the dose-response characteristics for dexametha-sone-induced cleft palate and palatal slit in rats were examined. Pregnant rats were injected subcutaneously with dexamethasone in a single dose of 2–6 mg/kg on one day betwee
Publikováno v:
ChemInform. 38
We have determined that a cationic rhodium(I)/H8-BINAP complex catalyzes a [2 + 2 + 2] cycloaddition of both activated and unactivated carbonyl compounds with 1,6-diynes leading to dienones in high yields. On the other hand, unactivated aryl ketones
Publikováno v:
ChemInform. 38
[structure: see text]. Enantioenriched C2-symmetric spirobipyridine ligands were efficiently synthesized through a cationic rhodium(I)/(R)-Segphos or (R)-H8-BINAP complex-catalyzed enantioselective intramolecular double [2 + 2 + 2] cycloaddition of b
Publikováno v:
ChemInform. 37
A neutral rhodium(I)/BINAP complex effectively catalyzed a [2+2+2] cycloaddition of 1,6-diynes with isothiocyanates to give bicyclic thiopyranimines in 59−98% isolated yield. The reaction with carb...
Publikováno v:
ChemInform. 37
Publikováno v:
ChemInform. 37
[reaction: see text] We have developed a cationic rhodium(I)/modified-BINAP complex-catalyzed chemoselective [2 + 2 + 2] cycloaddition of alkynes with isocyanates leading to a wide range of 2-pyridones. This method was successfully applied to the che
Publikováno v:
Organic letters. 8(5)
A neutral rhodium(I)/BINAP complex effectively catalyzed a [2+2+2] cycloaddition of 1,6-diynes with isothiocyanates to give bicyclic thiopyranimines in 59-98% isolated yield. The reaction with carbon disulfide also proceeded to give bicyclic dithiopy