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Ireland-Claisen rearrangement for the stereoselective formation of the C2C3 bond in taxanes

✍ Scribed by Philip Magnus; Nicholas Westwood

Publisher
Elsevier Science
Year
1999
Tongue
French
Weight
252 KB
Volume
40
Category
Article
ISSN
0040-4039

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✦ Synopsis

Ireland-Cl&en rearrangement of the ester 21 gave 22 with the correct C3 stereochemistry.

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✍ Randall S. Urdahl; Yihan Bao; William M. Jackson 📂 Article 📅 1991 🏛 Elsevier Science 🌐 English ⚖ 337 KB

The rotational cutoff levels of C,( B' 'Z:, u" = 1,2), produced in the multiphoton dissociation of jet-cooled acetylene at 193 nm, have been measured using laser-induced fluorescence. This data is used to calculate the values AHf,,(C2) = 194.8iO.5 kcal/ mol and D,(CC-H) = 112.0 kO.8 kcal/mol, in exc