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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Occurrence of biogenic steranes and cyclic triterpanes in very old, carbonaceous sediment rock formations - Green River shale, and Soudan shale fragmentation components
Stereoselective syntheses of optically active amino acids from methyl esters of alpha-keto acids
Stereoselective synthesis of optically active aspartic acid from derivatives of fumaric acid and maleic acid
Stereospecificity in hydrogen transfer reaction characteristic of 6-keto steroids studied by mass spectrometry
Mass spectrometry in structural and stereochemical problems of 16 Amaryllidaceae alkaloids
Mass spectrometric fragmentation behavior of N-n- propyl and N-n-butyl pyrrolidone and N-alkyl succinimides subsequent to electron impact
Alpha-chloro alkanoyl valine methyl esters analyzed, finding that diastereoisomeric pairs separation by gas-liquid chromatography can assess steric conditions around amide bond
Polymer molecular structure, discussing concentration of primary and secondary hydroxyl groups, use of NMR to establish stereo and positional isomeric configuration, etc
Gas liquid chromatography resolution of racemic hydroxy and beta-mercapto-amino acids involving suitable derivation of functional group
Optical resolution and absolute configuration of trans-beta-phenylglycidic acid
Stereoselective synthesis of optically active amino acids from menthyl esters and alpha-keto acids
Reaction of lithium diphenyl phosphide with diphenylacetylene producing high yields of stereochemically pure vinyl phosphides in presence of primary or secondary amine
Esterification of secondary alcohols, using amino acids
Mass spectra of amino ketones and amino alcohols and related substances
Isomerization rate of iminocarbonates, discussing electronegative hetero-atom bonded to imino carbon