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Diels-Alder reactions of (trifluoromethyl)ethene and (trifluoromethyl)styrenes with functionalized butadienes

✍ Scribed by Ojima, Iwao; Yatabe, Momoko; Fuchikami, Takamasa

Book ID: 121478025
Publisher: American Chemical Society
Year: 1982
Tongue: English
Weight: 717 KB
Volume: 47
Category: Article
ISSN: 0022-3263
DOI: 10.1021/jo00132a015

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## Abstract The transition structures of the hetero‐Diels‐Alder reaction of (__E__)‐ and (__Z__)‐1‐aza‐1,3‐butadiene (8 and 11) were studied by means of ab initio (UHF/6‐31+G\* and RHF/6‐31+G\*) and semiempirical (AM1, PM3) methods. The energy surface of the title reaction was calculated with AM1/C