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A General Synthetic Method for Azolium and Azinium Dinitromethylides

✍ Scribed by Viktor V. Semenov; Svyatoslav A. Shevelev; Larisa G. Mel’nikova


Book ID
111729459
Publisher
Royal Society of Chemistry
Year
1993
Tongue
English
Weight
315 KB
Volume
3
Category
Article
ISSN
0959-9436

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General synthetic method for preparation
✍ Sentaro Okamoto; Shin-ichiro Matsuda; Duk Keun An; Fumie Sato 📂 Article 📅 2001 🏛 Elsevier Science 🌐 French ⚖ 75 KB

The reaction of chiral allenyltitaniums, generated from optically active secondary propargyl phosphates and a Ti(O-i-Pr) 4 /2 i-PrMgCl reagent, with trialkylstannyl chloride proceeded with a high chirality transfer of more than 93% to afford optically active secondary propargylstannanes in excellent