𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Stereoselective Preparation of Vitamin D Precursors Using the Intramolecular Coupling of Alkynes and Cyclopropylcarbene−Chromium Complexes: A Formal Total Synthesis of (±)-Vitamin D 3

✍ Scribed by Yan, Jingbo; Herndon, James W.


Book ID
126100948
Publisher
American Chemical Society
Year
1998
Tongue
English
Weight
91 KB
Volume
63
Category
Article
ISSN
0022-3263

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


ChemInform Abstract: Stereoselective Pre
✍ J. YAN; J. W. HERNDON 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 37 KB 👁 2 views

Stereoselective Preparation of Vitamin D Precursors Using the Intramolecular Coupling of Alkynes and Cyclopropylcarbene-Chromium Complexes: A Formal Total Synthesis of (±)-Vitamin D 3 . -The intramolecular coupling of the complexes (III) proceeds with high diastereoselectivity. Catalytic hydrogenati

Configurational stability of allenic ani
✍ Eugène M.G.A. van Kruchten; Alberto Haces; William H. Okamura 📂 Article 📅 1983 🏛 Elsevier Science 🌐 French ⚖ 292 KB

Metallation (n-BuLi, t-BuOK, THF) followed by quenching (DCl, occurs primarily with retention-of configuration, D20) of (S)-allenes 4a\_c whereas that of CR)-allenes 4d-e occurs mainly with inversion; the allenes 4\_were prepared from related propargyl alcohols (k??9). a-Recently, in connection with

ChemInform Abstract: Building BLOCKs in
✍ R. N. WARRENER; D. MARGETIC; R. A. RUSSELL 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 26 KB 👁 2 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v