Available online
Description
The basis of concerted reactions and how calculated potential energy surfaces can be used to predict the mechanisms for these reactions.
The basis of concerted reactions and how calculated potential energy surfaces can be used to predict the mechanisms for these reactions.
| Module code and title: | S304, The nature of chemistry |
|---|---|
| Item code: | S304; 19 |
| First transmission date: | 1978 |
| Published: | 1978 |
| Rights Statement: | |
| Restrictions on use: | |
| Duration: | 00:24:00 |
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| Producer: | Barrie Whatley |
| Contributors: | John Coyle; Michael Dewar |
| Publisher: | BBC Open University |
| Keyword(s): | Antarafacial; Conrotatory; Dimethoxy; Disrotatory; Stereospecific; Suprafacial |
| Footage description: | Footage - Nucleophilic substitution of one of the methoxy groups of 1,2,dimethoxy-4-nitrobenzene by hydroxy (0'04"-1'19") - Graphic of cycloaddition reactions (1'20"-2'00") - Definition of pericyclic reaction (2'30"-2'42") - Model of nucleophilic substitution of an alkyl halide with hydroxide ion (4'02"-4'45") - Graphic of electrocyclic reaction. Model of diene. Models of cyclobutene products (5'27"-6'41") - Disrotatory & conrotatory animation (6'42"-8'10") - Suprafacial animation. Models of 4 isomers of tetramethylcyclobutane (8'33"-11'37") - Animation of suprafacial-antarafacial cycloaddition (11'38"-12'46") - Animation of antarafacial-antarafacial cycloaddition. Graphic of geometrical relationships between cis-2-butene & isomers of 1,2,3,4-tetramethyl-cyclobutene (13'05"-14'13") - Graphic of photochemical cycloaddition of acetone and 2-butene to give an oxetane. Graphic of stereospecific Diels-Alder reaction (14'29"-15'50"). Graphic of interconversion of butadiene & cyclobutene (16'24"-16'40") - Graphic of angle rotation of methylene group (17'02"-17'25") - Graphic of disrotatory & conrotatory process. Model of potential energy surface of cyclobutene. Graphic of 4 isomers of butadiene (17'29"-24'14"). |
| Master spool number: | 6HT/72279 |
| Production number: | 00525_1227 |
| Videofinder number: | 903 |
| Available to public: | no |
