into a large volume of water when the selenozole precipitated out
into a large volume of water when the selenazole precipitated out
it was necessary to dissolve in hot HCl again and to recrystalize.
it was necessary to dissolve in hot HCl again and to recrystallize.
(b) 106 grams of benaldehyde were heated with 93 grams of
(b) 106 grams of benzaldehyde were heated with 93 grams of
It is difficulty soluble in ethyl alcohol, ethyl acetate, and
It is difficultly soluble in ethyl alcohol, ethyl acetate, and
toluene, benzene, alcohol, and difficulty soluble when cold.
toluene, benzene, alcohol, and difficultly soluble when cold.
from alcohol in fine yellowish needles, melting at 201.2°202.3°C
from alcohol in fine yellowish needles, melting at 201.2°-202.3°C
carbontetrachloride, acetone, but difficulty soluble in ligroin.
carbontetrachloride, acetone, but difficultly soluble in ligroin.
19 grams of nitric and 30 grams of sulphuric acids was introduced
19 grams of nitric and 30 grams of sulphuric acids) was introduced
in the same manner as the reduction of mononitro derivative
in the same manner as the reduction of the mononitro derivative
This diamino compound crystalizes in yellowish glistening needles
This diamino compound crystallizes in yellowish glistening needles