LIII.—On chlor-stannic acid

Synthesis of 1,4-Phenanthrenequinones via Stannic Chloride-Induced Cyclizations.

Substituted 1,4-phenanthrenequinones such as 1 are useful building blocks for the preparation of novel materials. Katz and others have shown that compounds such as 1 can be transformed into helicenes by DielsAlder reactions.1 Certain 1,4-phenanthrenequinones also have potential as synthetic intermediates for natural products synthesis. Additionally, some naturally occurring 1,4-phenanthrenequin...

Treatment of metastatic bone pain with tin-117m Stannic diethylenetriaminepentaacetic acid: a phase I/II clinical study.

The physical characteristics of Sn-117m combined with the biodistribution of the compound tin-117m (Stannic, 4+) diethylenetriaminepentaacetic acid (Sn-117m DTPA) suggest that it should be an excellent agent for the palliation of pain from bony metastases. Prior work has established the dosimetry and the safety for the material in human beings. The presence of low-energy conversion electrons sh...

Abhängigkeit der Chlor-Isotopenseparation vom Vernetzungsgrad eines stark basischen Anionenaustauschers

K l a u s G . H e u m a n n , P a u l R o ß m a n n , A n n i S c h w a r z u n d A l f r e d W i n d f e l d e r Inst i tut f ü r Chemie der Univers i tä t R e g e n s b u r g Z . N a t u r f o r s c h . 34b, 4 0 6 4 1 1 (1979) ; e ingegangen a m 4. D e z e m b e r 1978 I s o t o p e Separat ion , Chlorine, I o n E x c h a n g e C h r o m a t o g r a p h y , Mass S p e c t r o m e t r y U s i ...

The effect of chlor-amphenicol in human bone-marrow cultures.

Chlor-alkali Plant Contributes to Mercury Contamination in the Savannah River

For many years the Savannah River has suffered fish consumption warnings. While several potential sources of mercury may contribute to this contamination, the chlor-alkali facility in Augusta, which produces chlorine by electrolysis using mercury-cell technology, is a major potential contributor. To examine this possibility samples of sediment were collected from the river above and below the f...