the presence of functional groups, which are a collection of carbon, hydrogen, and other heteroatoms bonded to each other and are found in a single class of organic compounds. One or more functional groups may be present in a structure, making the organic c...
n-valent aromatic radical, Hal represents a fluorine, chlorine, bromine or iodine atom and n is an integer from 1 to approximately 20, believed to be novel, comprises reacting an alkali metal phenolate with a trihalobenzene in the presence of a strongly polar inert organic solvent, e.g. ...
The major components of the polar lipids are dialkyl ethers of glycerol or its derivatives. The nature of the glycerol ether alkyl groups was found to be that of the saturated tetraisoprenoid hydrocarbon phytane. The non-polar lipids of the chloroform soluble fraction consist principally of three...
We thank the numerous researchers who participated in the dolphin capture and release studies in South Carolina and Florida. We are especially grateful to Dr. Forrest Townsend, Mr. Larry Fulford, Mr. Larry Hansen, Mr. Steve McCulloch, the NOAA and HBOI staff and all of the veterinarians who...
1. The gas-solid separations of alcohols, diols and ethers on porous aromatic polymers are essentially the same as those using gas-liquid separation on Celite-Apiezon L columns, although the retention times on the latter are much shorter. 2. For liquids with similar boiling points the order ...
Allylation of nucleophiles with highly reactive electrophiles like allyl halides can be conducted without metal catalysts. Less reactive electrophiles, such as allyl esters and carbonates, usually require a transition metal catalyst to facilitate the all
If the linkers are innocent, the observed increase in leakage could be explained by a prolonged docked state in a configuration that is not quite as inducive to fusion than in the case of LiNA-1/2. If, however, the ethylene glycol interacts strongly with the lipid headgroups of the ...
Ethers are ubiquitous motifs commonly seen in a wide range of solvents, fragrances, disinfectants, herbicides, drug intermediates, fuels, lubricants, precursors for polymers, etc1,2,3. The canonical Williamson ether synthesis (Fig. 1a) is still a method of choice for the preparation of unsymmetric...
Further extension of the n-alkyl chain and/or suitable modification of the terminal polar group would, therefore, make a monolayer more effective in reducing evaporation.doi:10.1038/191378a0A. V. DEOS. B. KULKARNIM. K. GHARPUREYA. B. BISWAS...
Comparison of the three structures revealed that recognition of the CTX3C fragments by 10C9 Fab involves three features: a large, deep antigen-binding pocket that captures the fragments, polar residues that form hydrogen bonds with the antigens, and rotational conformational changes that stabilize ...