A problem in optical isomerism . ITH— GO\ GO car bonylhenz idine1 oxalylbenzidine^. phthalylbenz idine£till further advance was made by Gain and his It was noticed that apparently two dinitrobenzidineswith the nitro -groups ortho to the amino-groups exist. Theresult of their research was to strengthen Kauilers stereochem-ical formula for diphenyl. otrakosch^ prepared a dinitrobenzidine by nitration ofdiacetylbenzidine in 1872. This compound was later snown to have its nitro-groups in the ortho-positions with respiect to the amino-6 groups. By the nitration of diphthalylbenzidi
A problem in optical isomerism . ITH— GO\ GO car bonylhenz idine1 oxalylbenzidine^. phthalylbenz idine£till further advance was made by Gain and his It was noticed that apparently two dinitrobenzidineswith the nitro -groups ortho to the amino-groups exist. Theresult of their research was to strengthen Kauilers stereochem-ical formula for diphenyl. otrakosch^ prepared a dinitrobenzidine by nitration ofdiacetylbenzidine in 1872. This compound was later snown to have its nitro-groups in the ortho-positions with respiect to the amino-6 groups. By the nitration of diphthalylbenzidine Bandrowski7 pre-pared another dinitro-benzidine which melted at 218°-221°. Kich-ters Lexikon, assuming these two compounds to be the same, be- ^..ichler and Zimmerman,!;. ,14,2178. 23orodine,,556;otrakosch,B. 5,240 . %olber,B. 37,2882. ,720; 191,2298,2504; 105,586,2074; 105,1457. Chem, p oriel,III. ,250. 53trakosch,B. 5,256. 6Erunner and „itt, B. 20,1025. 7Bandrowski,3. 17,1181; Li. 8,472. 11- cause of the generally accepted notion of the free r
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Keywords: ., bookcentury1900, bookdecade1910, booksubjecttheses, bookyear1917
