Reactions of sterically hindered o-quinones with alkyl derivatives of group III elements

Author(s):  
G. A. Razuvaev ◽  
G. A. Abakumov ◽  
E. S. Klimov ◽  
E. N. Gladyshev ◽  
P. Ya. Bayushkin
Author(s):  
V. I. Bregadze ◽  
A. Ya. Usyatinskii ◽  
V. A. Antonovich ◽  
N. N. Godovikov

ChemInform ◽  
1988 ◽  
Vol 19 (40) ◽  
Author(s):  
V. I. BREGADZE ◽  
A. YA. USYATINSKII ◽  
V. A. ANTONOVICH ◽  
N. N. GODOVIKOV

1984 ◽  
Vol 49 (1) ◽  
pp. 313-319 ◽  
Author(s):  
Věra Přikrylová ◽  
Petr Sedmera ◽  
Josef V. Jizba ◽  
Jindřich Vokoun ◽  
Helena Lipavská ◽  
...  

Reaction of daunomycinone (I) with alcohols and p-toluenesulfonic acid produces a mixture (~3 : 1) of its (7S)- and (7R)-O-alkyl derivatives II-IX. According to the 1H NMR evidence, the alicyclic ring exists in the 9H8 conformation in (7R)-O-alkyl derivatives, on the contrary to (7S)-epimers and 7-epi-daunomycinone that adopt the 8H9 conformation.


Author(s):  
D.M. Beltukova ◽  
V.P. Belik ◽  
Y.N. Antonenko ◽  
A.A. Bogdanov ◽  
G.A. Korshunova ◽  
...  

1990 ◽  
Vol 9 (1) ◽  
pp. 260-265 ◽  
Author(s):  
Rocco A. Paciello ◽  
Juan M. Manriquez ◽  
John E. Bercaw

1933 ◽  
Vol 55 (11) ◽  
pp. 4657-4662 ◽  
Author(s):  
Emil Klarmann ◽  
Louis W. Gates ◽  
Vladimir A. Shternov ◽  
Philip H. Cox

Author(s):  
J. A. Barltrop ◽  
R. M. Acheson ◽  
P. G. Philpott ◽  
K. E. MacPhee ◽  
J. S. Hunt

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