scholarly journals The symmetrical spiro -heptanediamine and its resolution into optically active components

1936 ◽  
Vol 154 (881) ◽  
pp. 53-60 ◽  
Keyword(s):  
Carbon Atom ◽  
Optical Activity ◽  
Optically Active ◽  
Active Components ◽  
Asymmetric Carbon Atom ◽  
Molecular Configuration ◽  
Experimental Realization ◽  
Asymmetric Carbon ◽  
Acetic Acids

The experimental realization of the simplest possible types of molecular configuration which can show optical activity in the amorphous con­dition is important in connexion with stereochemical theory. Among optically active spiranes containing no asymmetric carbon atom such simple types are found in the d - and l -1-methyl- cyclo -hexylidene-4-acetic acids and the d - and 1-spiro- 5:5-dihydantoins, but no satisfactory case has hitherto been described of optical activity in substances of the constitution H —C—( CH 2 ) n —C—(CH 2 ) n —X X —C—( CH 2 ) n —C—(CH 2 ) n —H. One of the simplest conceivable examples of the latter kind should be found in the previously unknown symmetrical spiro -heptanediamine of the constitution— NH 2 —C—CH 2 —C—CH 2 —C—H H—C—CH 2 —C—CH 2 —C—NH 2 .

Reaction of 3-phenyl-1,2,4-triazin-5(4H)-one under acylating conditions with natural alcohols containing an asymmetric carbon atom

2012 ◽  
Vol 48 (4) ◽  
pp. 625-633 ◽  
Author(s):  
I. N. Egorov ◽  
G. V. Zyryanov ◽  
P. A. Slepukhin ◽  
T. A. Tseitler ◽  
V. L. Rusinov ◽  
...  
Keyword(s):  
Carbon Atom ◽  
Asymmetric Carbon Atom ◽  
Asymmetric Carbon

ChemInform Abstract: Reaction of 3-Phenyl-1,2,4-triazin-5(4H)-one under Acylating Conditions with Natural Alcohols Containing an Asymmetric Carbon Atom.

ChemInform ◽  
2012 ◽  
Vol 43 (50) ◽  
pp. no-no
Author(s):  
I. N. Egorov ◽  
G. V. Zyryanov ◽  
P. A. Slepukhin ◽  
T. A. Tseitler ◽  
V. L. Rusinov ◽  
...  
Keyword(s):  
Carbon Atom ◽  
Asymmetric Carbon Atom ◽  
Asymmetric Carbon
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