ChemInform Abstract: Transformed Steroids. Part 193. Synthesis of 16α, 17α- Isopropylidene Derivatives of Pregn-4-ene-9α,16α,17α, 21-tetraol-3,20-dione and Its 17α-Thioanalog.

ChemInform ◽  
2010 ◽  
Vol 25 (26) ◽  
pp. no-no
Author(s):  
A. M. TURUTA ◽  
A. V. KAMERNITSKII ◽  
N. V. DZHLANTIASHVILI ◽  
A. A. KOROBOV ◽  
N. E. VOISHVILLO
Keyword(s):  
Isopropylidene Derivatives ◽  
Derivatives Of

Cyclic phosphites based on O-isopropylidene derivatives of D-mannitol

1970 ◽  
Vol 19 (7) ◽  
pp. 1580-1582
Author(s):  
O. V. Voskresenskaya ◽  
P. A. Kirpichnikov ◽  
�. T. Mukmenev
Keyword(s):  
Isopropylidene Derivatives ◽  
Derivatives Of

426. Aspects of stereochemistry. Part XI. Isopropylidene derivatives of L-arabitol and ribitol

1963 ◽  
pp. 2291 ◽  
Author(s):  
M. A. Bukhari ◽  
A. B. Foster ◽  
J. Lehmann ◽  
J. M. Webber ◽  
J. H. Westwood
Keyword(s):  
Isopropylidene Derivatives ◽  
Derivatives Of

Some O-isopropylidene derivatives of D-ribose diethyl dithioacetal

1969 ◽  
Vol 47 (15) ◽  
pp. 2889-2891 ◽  
Author(s):  
D. G. Lance ◽  
W. A. Szarek ◽  
J. K. N. Jones
Keyword(s):  
Nuclear Magnetic Resonance ◽  
Magnetic Resonance ◽  
Copper Sulfate ◽  
Spectroscopic Methods ◽  
Isopropylidene Derivatives ◽  
Derivatives Of ◽  
Nuclear Magnetic

Acetonation of D-ribose diethyl dithioacetal using anhydrous copper sulfate as catalyst gives predominantly 2,4- and 4,5-O-isopropylidene derivatives. The structures of the compounds were established by chemical and nuclear magnetic resonance spectroscopic methods.

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