Mass spectrometry in structural and stereochemical problems. CXCIII
Valeraldehyde o-nitrophenylhydrazone mass spectrum with low intensity peak due to combined hydroxyl and water loss from molecular ion
Djerassi, C.↗
Engineering topics
Duffield, A. M.
Publications and source records attributed to Duffield, A. M..
Applications of 'artificial intelligence' for chemical inference. VI - Approach to a general method of interpreting low resolution mass spectra with a computer
Computerized method of interpreting low resolution mass spectra in organic chemical analysis, describing inference maker program applications and results
Buchanan, B. G.↗
Applications of artificial intelligence for chemical inference. V.
Discussion of the modification of the DENDRAL computer program to extend the program to cyclic structures which exceed numerically the linear molecules of a given composition. IR, NMR and mass spectroscopy is used to develop a method for identification of each of the 27 possible ketones (exclusive of 5 cyclopropanones) of composition C6H10O.
Sheikh, Y. M.↗
Applications of artificial intelligence for chemical inference. III
Aliphatic ethers low resolution mass spectra interpretation using computer program heuristic DENDRAL
Buchanan, B. G.↗
Applications of artificial intelligence for chemical inference. I - The number of possible organic compounds - Acyclic structures containing C, H, O, and N.
DENDRAL program used to construct all possible acyclic structural isomers of C, H, N and O
Buchanan, B. G.↗
Applications of artificial intelligence for chemical inference. II
Computer program to decide structure for aliphatic ketone from low resolution mass spectrum using DENDRAL algorithm
Buchanan, B. G.↗
Mass spectrometry in structural and stereochemical problems. CXLIV - Unusual fragmentations in the low-voltage spectra of aliphatic ketones.
Mass spectra of isotopically labeled aliphatic ketones at low voltage, showing deuterium scrambling among alyphatic carbon atoms
Carpenter, W.↗
Mass spectrometry in structural and stereochemical problems. CLII.
Mass spectrometry in structural and stereochemical problems, discussing electron impact promoted fragmentation of substituted germacyclopentanes and germacyclopentenes
Djerassi, C.↗
Mass spectrometry in structural and stereo- chemical problems. CLIII.
Mass spectrometry in structural and stereochemical problems, discussing ions origins in spectrum of alcyl n-hexyl cyanide
Carpenter, W.↗
Chemical investigations on Putranjiva roxburghii.
Putranjivadione established as new triterpene, noting structure
Chakraborty, A. K.↗
Mass spectra of quinoline and isoquinoline N-oxides.
Mass spectra of quinoline and isoquinoline N- oxides, discussing diagnostic values of fragmentation reactions for heteroaromatic N- oxide function presence
Buchardt, O.↗
Mass spectrometry in structural and stereochemical problems. CLXVI.
Mass spectral fragmentation of substituted aliphatic glycols and hydroxylated carbon-carbon bond
Djerassi, C.↗
A study of the fragmentation processes of some n-acyl-2-indolinols upon electron impact.
Mass spectra peaks of N-Acyl-2-indolinols fragmentation processes upon electron impact, noting compounds predominance in open chain tautomer gas phase
Buchardt, O.↗
Mass spectrometry in structural and stereochemical problems. CXLIII.
Mass spectra peak of deuterium labeled aliphatic ethers involving hydrogen rearrangement during electron impact fragmentation
Carpenter, W.↗
Mass spectrometry in structural and stereochemical problems. CXLV.
Alkyl group elimination in alpha-cleavage fragmentation processes of molecular ions of aliphatic ketones, Schiff bases and ethers at low ev
Carpenter, W.↗
Mass spectrometric fragmentation of some lignans. I.
Mass spectrometry fragmentation of lignans containing tetrahydrofuran ring, noting application to molecular structure elucidation
Duffield, A. M.↗
The fragmentation of some cyanohydrins and O-acylcyanohydrins upon electron impact.
Cyanohydrins and O-acylcyanohydrins fragmentation upon electron impact correlated with mass spectra molecular structure
Djerassi, C.↗
Mass spectrometry in structural and stereochemical problems. LXXXII - A study of the fragmentation of some Amaryllidaceae alkaloids.
Mass spectrometry in structural and stereochemical problems of 16 Amaryllidaceae alkaloids
ALKALOID↗