Available online
Description
The use of thallium in carrying out difficult organic reactions and the role of 'synthetic methods' as an important area of research in chemistry.
The use of thallium in carrying out difficult organic reactions and the role of 'synthetic methods' as an important area of research in chemistry.
| Module code and title: | S304, The nature of chemistry |
|---|---|
| Item code: | S304; 25 |
| First transmission date: | 30-07-1977 |
| Published: | 1977 |
| Rights Statement: | |
| Restrictions on use: | |
| Duration: | 00:24:00 |
| + Show more... | |
| Producer: | David Jackson |
| Contributors: | Alexander,1944 McKillop; Richard Taylor |
| Publisher: | BBC Open University |
| Keyword(s): | Organic; Synthesis; Thallium |
| Footage description: | Footage - Periodic table (1'03"-1'10") - Blackboard with the position of thallium in the periodic table. Hypotheses for thallium (2'33"-6'30") - Diagram of the reaction of anisole with thallium triacetate & bromine leading to para bromoanisole. Demonstration of reaction (6'35"-8'34") - Diagram of mercuration reaction, thallium reaction & Friedel Crafts mechanism. Diagram of para bromoanisole (9'03"-10'19") - Diagram of an aromatic compound treated with thallium trifluoroacetate to form an arylthallium di trifluoroacetate (11'19"-11'40") - Diagram of metaxylene treated with thallium trifluoroacetate. Diagram of arylthallium di trifluoroacetate treated with potassium iodide to form the corresponding aromatic iodide & thallous iodide (12'05"-12'40") - Demonstration of thallation of metaxylene. Addition of aqueous potassium iodide to arylthallium di trifluoroacetate (12'51"-14'57"). Diagram of arythallium compounds (15'18"-17'05") - Diagram of oxythallation (18'29"-18'57") - Diagram of cyclohexene reacting with thallium trinitrate in methanol solution. Demonstration of oxythallation reaction. 2 4 di nitrophenol hydrozene added to cyclopentanecarboxaldehyde and methanol (19'09"-21'33") - Chemical equation of the direct oxidative rearrangement of acetephones to methyl aryl acetates (21'51"-22'17"). |
| Master spool number: | 6HT/72496 |
| Production number: | 00525_1233 |
| Videofinder number: | 908 |
| Available to public: | no |
