Results 121 to 130 of about 9,019 (233)

Comparative chemistry of protected phosphines within the synthesis of cyclopropanes

, 2004
On treatment with base, diphenylphosphinoyl esters 3 (X=O) give cyclopropanes 4 via a series of steps including intramolecular acyl and phosphinoyl transfer processes.
Clarke, C
core  

Reaction of Halogenated Cyclopropanes and Nitrosyl Cation:  Preparation of Isoxazoles

, 2016
Reaction of Halogenated Cyclopropanes and Nitrosyl Cation:  Preparation of ...
Shing-Huey Kuo (3040113), Shaw-Tao Lin (2165785), Fu-May Yang (3040116)   +2 more
core   +1 more source

About Bases and Superbases

CHIMIA, 1996
Butyllithium requires activation in order to become capable of abstracting a proton from weakly acidic hydrocarbons like cyclopropanes, simple olefins, or arenes.
Florence Mongin, Raimondo Maggi, Manfred Schlosser   +2 more
doaj   +2 more sources

Synthesis and reactivity of α-lithio α-trimethylsilyl cyclopropanes and related derivatives

, 1981
α-lithio α-trimethylsilyl cyclopropanes have been prepared by two different routes. They have been tested as precursors of alkylidene cyclopropanes, cyclopropylidienes and α-silyl α-vinyl ...
Halazy, S., Krief, A., Dumont, W.
core  

Highly efficient construction of angular polycycles

Nature Communications
Angular tricyclic and polycyclic skeletons feature typical cores in an intriguing type of natural products. We herein report the Lewis acids-catalyzed dearomative (3 + 2) cycloadditions of donor-acceptor cyclopropanes with benzene ring, by which ...
Yi Sun, Xiaobing Huang, Jun Ren, Zhongwen Wang   +3 more
doaj   +1 more source

Cyclopropane anæsthesia

The Irish Journal of Medical Science, 1946
openaire   +5 more sources

Deuterated Cyclopropanation of Alkenes by Iron Catalysis. [PDF]

Org Lett
Rana IK, Nguyen KNM, Ngo DT, Nagib DA.
europepmc   +1 more source

Formation of cyclopentanes and cyclopropanes through alkylation of benzylic anions using ethers, thioethers and alcohols as substrates under Grubbs-Stoltz (Et₃SiH/KO<i>t</i>Bu) conditions. [PDF]

Chem Sci
Stewart AJ, Dimitrova D, Logan STM, Pratley C, Bell JD, McGonigal K, Lauer A, Fenner S, Nicolle SM, Leach SG, Murphy JA.   +10 more
europepmc   +1 more source

Asymmetric Carbonium Ion Catalysis: The Intramolecular Hydroalkoxylation of Cyclopropanes. [PDF]

J Am Chem Soc
Shi F, Leutzsch M, Frank N, Zhu C, Tsuji N, Zhang G, List B.   +6 more
europepmc   +1 more source

Mapping the Undirected Borylation of C(sp³)-H Bonds in Strained Rings. [PDF]

J Am Chem Soc
La C, Ryabukhin SV, Volochnyuk DM, Hartwig JF.   +3 more
europepmc   +1 more source