Krishnamurthy, S., Rapid reduction of alkyl tosylates with lithium triethylborohydride, a convenient and advantageous prcedure for the deoxygenation of simple and hindred alcohols. Comparison of various hydride ...
1. A process for the preparation of a compound of structural formula: ##STR20## wherein: n is 1 or 2; R1and R2independently are hydrogen, C1-3 alkyl, or joined together represent, with the carbons to which they are attached, a benzo group or a double bond; ...
Hydrogen was admitted to a pressure of 1000 psi, and the mixture heated to 60° C. for 8 hours. Analysis of the hydrolysis product of the reaction showed an enantiomeric excess (ee) of the S isomer of 63%. <- Previous Patent (5-[4-Monoalkylaminop...) | Next Patent (Preparation ...
ChemInform Abstract: RAPID REDUCTION OF ALKYL TOSYLATES WITH LITHIUM TRIETHYLBOROHYDRIDE. A CONVENIENT AND ADVANTAGEOUS PROCEDURE FOR THE DEOXYGENATION OF SIMPLE AND HINDERED ALCOHOLS. COMPARISON OF VARIOUS HYDRIDE REAGENTSdoi:10.1002/chin.197901117reduction...
ChemInform Abstract: FACILE REDUCTION OF ALKYL TOSYLATES WITH LITHIUM TRIETHYLBOROHYDRIDE. AN ADVANTAGEOUS PROCEDURE FOR THE DEOXYGENATION OF CYCLIC AND ACYCLIC ALCOHOLSdoi:10.1002/chin.197650158reduction, hydrogenationS. KRISHNAMURTHYH. C. BROWNJohn Wiley & Sons, Ltd...
S. MiyazakiElsevier LtdTetrahedronK. Kotera, T. Okada, S. Miyazaki, Stereochemistry of Aziridine Formation by Reduction of Oximes with Lithium Aluminum Hydride on Aralkyl Alkyl Ketoximes and their Tosylates, Tetrahedron, Vol 24, No. 16, (1968) 5677-90....
6-O-alkyl-D-hexopyranosidesprimary tosylatesnucleophilic substitutionsethoxyethyl etherswith a preface by George Miller WordNet, an electronic lexical database, is considered to be the most important resource available to researchers in computational linguistics, text analysis, and many related areas. ...
for such a transformation:(i)acid catalyzed cyclodehydration using HCl/HaPO4/PTSA,etc.(ii)TPP-CCl4 promoted cyclodehydration of diols via intramolecular displacement of TPPO,(iii)base promoted mono-tosylate formation and elimination and(iv)intramolecular cyclization of diols via a Mitsunobu reaction...
Alternatively, ammonium salts may also be used for the stabilizer, including ammonium, primary, secondary, tertiary, and quaternary alkyl- and arylammonium salts of alkoxides including hydroxide, phenolates, carboxylates, aryl and alkyl sulfonates, sulfonamides, and others. Other cationic nitrogenous ...
6. The method of claim 1 wherein the fluorosurfactant comprises a surfactant having the following general structure: Wherein: R1 is a hydrogen atom, an alkyl group comprising about 1 to about 8 carbon atoms, or a fluoroalkyl group; R2 is a hydrogen atom, an alkyl group comprising about 1...