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Kinetics and mechanism of the cycloaddition of diphenylketene and dihydropyran

โœ Scribed by Brady, William T.; O'Neal, Hubert R.


Book ID
126888297
Publisher
American Chemical Society
Year
1967
Tongue
English
Weight
372 KB
Volume
32
Category
Article
ISSN
0022-3263

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๐Ÿ“œ SIMILAR VOLUMES


Kinetics of 2+2 cycloadditions of diphen
โœ Rolf Huisgen; Herbert Mayr ๐Ÿ“‚ Article ๐Ÿ“… 1975 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 208 KB

## Diphenylketene combines stereospecifically with @-and tmns-propenyl propyl ether to produce 4-methyl-2,2diphenyI-3-propoxy-cyclobutanones ; the cis'enol ether reacts 170 times faster than the tmns isomer. ' This impressive cis preference was later observed in further ketene cycloadditions, 2-5