Ⅰ. INTRODUCTION It has been found that metal chelate compounds of thiosemicarbazide (HTsc)are pharmacologically active against viruses, protozoa, smallpox, and certain kinds of tumors, and it has been suggested that ...Ⅰ. INTRODUCTION It has been found that metal chelate compounds of thiosemicarbazide (HTsc)are pharmacologically active against viruses, protozoa, smallpox, and certain kinds of tumors, and it has been suggested that they may be the possible pesticides and fungicides. The crystal structures of thiosemicarbazide and its transition metal complexes have been展开更多
Melanin A, a new pentacyclic triterpene of ursane series isolated from the aerial parts of Echinops Gemini, is elucidated structurally as 1 on the basis of 1D and 2D NMR spectroscopic studies.
Ⅰ. INTRODUCTION The electrochemical behavior of monosubstituted ferrocenes in different conditions and some electronic polymembranes of disubstituted ferrocenes have been investigated by using polarographic method. S...Ⅰ. INTRODUCTION The electrochemical behavior of monosubstituted ferrocenes in different conditions and some electronic polymembranes of disubstituted ferrocenes have been investigated by using polarographic method. Some related properties have been discussed also.展开更多
文摘Ⅰ. INTRODUCTION It has been found that metal chelate compounds of thiosemicarbazide (HTsc)are pharmacologically active against viruses, protozoa, smallpox, and certain kinds of tumors, and it has been suggested that they may be the possible pesticides and fungicides. The crystal structures of thiosemicarbazide and its transition metal complexes have been
文摘Melanin A, a new pentacyclic triterpene of ursane series isolated from the aerial parts of Echinops Gemini, is elucidated structurally as 1 on the basis of 1D and 2D NMR spectroscopic studies.
文摘Ⅰ. INTRODUCTION The electrochemical behavior of monosubstituted ferrocenes in different conditions and some electronic polymembranes of disubstituted ferrocenes have been investigated by using polarographic method. Some related properties have been discussed also.