Zobrazeno 1 - 6
of 6
pro vyhledávání: '"H. van Rij"'
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 75:977-1006
A new synthesis of vitamin A essentially based on the almost quantitative rearrangement of the retro-system to the normal system of conjugated double bonds is described. This rearrangement is carried out by converting the retroC15acid and the retroC2
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 70:236-240
So far 2-amino-3-nitronaphthalene has not been obtained in a pure state. The preparation of this substance by the partial reduction of 2,3-dinitronaphthalene with sodium disulphide is described.
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 71:1007-1011
The reaction of aromatic primary amines with trityl chloride at room temperature and in the presence of an excess of pyridine as a rule leads to N-trityl derivatives.
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 83:1169-1172
Tritylation of N-methyl-para-toluidine, N-ethyl-para-toluidine, and N-methyl-para-chloroaniline resulted in the N-trityl derivatives of the corresponding aromatic primary amines. The tritylation thus was accompanied by a dealkylation. N-trityl-N-meth
Publikováno v:
IEEE Transactions on Magnetics. 17:2011-2014
The background field for the first phase of the test facility SULTAN Will be generated by two concentric solenoids: a 6 Tesla outer coil with a free bore of 1.3 m and an inner coil for increasing the field to 8 Tesla. The free bore (cold) will be 1.0
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