Ueber Jodoso- und Jodoverbindungen derm - Nitro -p - Jodbenzoësäure

untersuchung ueber biologie und die empfindlich- keit von eulecanium coryli l. gegen ueber insekt- iziden

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Ueber die Wirkung des neuen Tuberkulins TR auf Gewebe und Tuberkelbacillen

2-Nitro-p-phenyl­ene dibenzene­sulfonate

In the title compound, C(18)H(13)NO(8)S(2), the nitro-phenyl ring forms dihedral angles of 46.67 (7) and 75.40 (6)° with the phenyl rings. The nitro group makes a dihedral angle of 26.13 (8)° with the attached ring. The crystal packing is stabilized by weak inter-molecular C-H⋯O hydrogen bonds.

Hippokrates Ueber die Krankheiten III

irrelevant. Chemistry and the relations between science, technology, and industry are well surveyed by Crosland and Cardwell respectively. Forbes's essay on mathematical cosmography is not a comprehensive account but the story (albeit interesting) of a few German cartographers. Compared with other recent collections of essays in the history of science, this volume parades no party line: witness...

Synthesis and characterization of nitro-p-xylenes.

In this paper we elected to nitrate p-xylene because this compound has only one mononitro- and trinitro- isomer. Trinitro-p-xylene was used as a starting material for the synthesis of other compounds in subsequent work. The mononitration of p-xylene can be easily carried out at 30 degrees C. Nitro-p-xylene is easily nitrated to dinitro-p-xylene at a temperature of 80 degrees C. The trinitro-p-x...