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Carbon-13 nmr chemical shift-substituent effect correlations in P-substituted 5-benzylidenebarbituric acids and 2-benzylidene-1,3-indanediones

โœ Scribed by Charles N. Robinson; Charles C. Irving Jr.


Book ID
112125724
Publisher
Journal of Heterocyclic Chemistry
Year
1979
Tongue
English
Weight
139 KB
Volume
16
Category
Article
ISSN
0022-152X

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## Abstract ^13^C NMR chemical shifts were determined for all carbons in a number of 1,7,7โ€trimethylโ€3โ€[(__E__)โ€2โ€ฒโ€arylethenyl]โ€2โ€oxabicyclo[4.4.0]decaโ€3,5โ€dienes [aryl = C~6~H~5~, C~6~H~4~CH~3~โ€__p__, C~6~H~4~Fโ€~__p__~, C~6~H~4~Cl~โ€__p__~, C~6~H~4~Br~โ€__p__~, C~6~H~4~CN~โ€__p__~, C~6~H~4~NO~2~โ€__p_