✦ LIBER ✦

Steroids CCCII. The methylenation of unsaturated ketones part IV. The 1:4-addition of difluoromethylene to an enone

✍ Scribed by P. Hodge; J.A. Edwards; J.H. Fried

Publisher: Elsevier Science
Year: 1966
Tongue: French
Weight: 182 KB
Volume: 7
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)89301-1

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Steroids ccxciii. The methylenation of u

Steroids ccxciii. The methylenation of unsaturated ketones. Part i. addition of difluoromethylene to enones.

✍ C. Beard; N.H. Dyson; J.H. Fried 📂 Article 📅 1966 🏛 Elsevier Science 🌐 French ⚖ 217 KB

We would like to report the first examples of the addition of difluoromethylene to the conjugated double bond of an enone system to yield gem-difluorocyclopropyl ketones. The

Steroids CCXCIV. The methylenation of un

Steroids CCXCIV. The methylenation of unsaturated ketones. Part II. Addition of difluoromethylene to dienones and trienones.

✍ C. Beard; I.T. Harrison; L. Kirkham; J.H. Fried 📂 Article 📅 1966 🏛 Elsevier Science 🌐 French ⚖ 118 KB

Steroids CCXCIX. The methylenation of un

Steroids CCXCIX. The methylenation of unsaturated ketones part III. The addition of dimethyloxosulphonium methlide to linear conjugated dienones.

✍ N.H. Dyson; J.A. Edwards; J.H. Fried 📂 Article 📅 1966 🏛 Elsevier Science 🌐 French ⚖ 155 KB

The Stereochemistry of the 1,2-Addition

The Stereochemistry of the 1,2-Addition of Grignard Reagents to Some Steroidal Unsaturated Ketones.

✍ Cavit Uyanik; James R. Hanson; Peter B. Hitchcock 📂 Article 📅 2004 🏛 John Wiley and Sons ⚖ 99 KB

AM1 calculations of parts of the enthalp

AM1 calculations of parts of the enthalpy surfaces for additions of active methylene nitriles to α β-unsaturated nitriles

✍ S. El-Taher; M. H. Elnagdi 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 219 KB 👁 1 views

The nucleophilic additions of active methylene nitriles (MNs), R 1 R 2 CH ‫מ‬ , where R 1 ‫ס‬CN and R 2 ‫ס‬CN, and CSNH 2 , to acetaldehyde and to the resultant ␣,b-unsaturated nitriles have been studied theoretically by the AM1 semiempirical MO method. The additions of MNs anions to acetaldehyde ar

ChemInform Abstract: AM1 Calculations of

ChemInform Abstract: AM1 Calculations of Parts of the Enthalpy Surfaces for Additions of Active Methylene Nitriles to α,β-Unsaturated Nitriles.

✍ S. EL-TAHER; M. H. ELNAGDI 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 27 KB 👁 1 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