titanium enolates
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2017 ◽  
Vol 2017 (38) ◽  
pp. 5776-5784 ◽  
Author(s):  
Alejandro Gómez-Palomino ◽  
Adrián Barrio ◽  
Pedro García-Lorente ◽  
Pedro Romea ◽  
Fèlix Urpí ◽  
...  

ChemInform ◽  
2015 ◽  
Vol 46 (6) ◽  
pp. no-no
Author(s):  
Alejandro Gomez-Palomino ◽  
Miquel Pellicena ◽  
Juan Manuel Romo ◽  
Ricard Sola ◽  
Pedro Romea ◽  
...  
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2014 ◽  
Vol 20 (32) ◽  
pp. 10153-10159 ◽  
Author(s):  
Alejandro Gómez-Palomino ◽  
Miquel Pellicena ◽  
Juan Manuel Romo ◽  
Ricard Solà ◽  
Pedro Romea ◽  
...  
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ChemInform ◽  
2014 ◽  
Vol 45 (26) ◽  
pp. no-no
Author(s):  
Phillip J. Mabe ◽  
Armen Zakarian

2013 ◽  
Vol 16 (2) ◽  
pp. 516-519 ◽  
Author(s):  
Phillip J. Mabe ◽  
Armen Zakarian

2013 ◽  
Vol 54 (11) ◽  
pp. 1467-1470 ◽  
Author(s):  
Erik Gálvez ◽  
Miriam Sau ◽  
Pedro Romea ◽  
Fèlix Urpí ◽  
Mercè Font-Bardia

ChemInform ◽  
2013 ◽  
Vol 44 (6) ◽  
pp. no-no
Author(s):  
Jessica Baiget ◽  
Marta Caba ◽  
Erik Galvez ◽  
Pedro Romea ◽  
Felix Urpi ◽  
...  
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2012 ◽  
Vol 77 (19) ◽  
pp. 8809-8814 ◽  
Author(s):  
Jessica Baiget ◽  
Marta Caba ◽  
Erik Gálvez ◽  
Pedro Romea ◽  
Fèlix Urpí ◽  
...  
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2012 ◽  
Vol 90 (6) ◽  
pp. 542-550 ◽  
Author(s):  
Guisheng Deng ◽  
Honghua Mo ◽  
Jing Luo ◽  
Jingyuan Zou

Mannich-type addition of the titanium enolate derived from 2′-hydroxypropiophenone to N-tosylimines provided the corresponding β-aminoketones in good to excellent yields (60%–90%) and with >99 : <1 anti diastereoselectivity. A model for synthesis of anti β-aminoketone as a predominant isomer based on the titanium enolate has been developed. High anti selectivity is not independent of the electron-donating and electron-withdrawing groups on the phenyl ring of the N-tosylimines. Noteworthy is the observation that the influence of a second Lewis acid on the Mannich-type reaction based on the titanium enolate is opposite to that obtained from other titanium enolates reported. A reasonable mechanism has been proposed to explain the high anti diastereoselectivity and the effect of a second Lewis acid on yield.


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