Experimental studies involve the synthesis of organophosphorus compounds and their characterization using various analytical techniques, such as nuclear magnetic resonance (NMR) spectroscopy, mass spectrometry, and X-ray crystallography. These experiments provide direct evidence of the existence and relative stability of the different tautomeric forms.
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diethyl 2-propyl-(2-phenylethyl)malonate
2-benzyl-1,1,3,3-tetramethyl-6-nitro-2,3-dihydro-2-azaphenalene
L-Phenylalanine, N-[(phenylmethoxy)carbonyl]-, hydrazide
(Z)-4-((2R,3R,3aS,5R,6R,7aS)-6-Benzyloxy-2-methoxy-3-methyl-hexahydro-furo[3,2-b]pyran-5-yl)-but-2-en-1-ol
ethyl (2R)-3-(3-bromophenyl)-2-(tertbutoxycarbonylamino)propanoate
11-methyl-1-tridecanol methanesulfonate
Phenol, 4-[(4-methoxyphenyl)-1-naphthalenylmethyl]-
2,6-difluorophenoxyacetic acid
Dichloromethane
2
Methanesulfonic acid, trifluoro-, 5-formyl-2-methoxyphenyl ester
3-(2-methoxyphenyl)-1,5-diphenyl-1H-pyrazole
5-para-methoxybenzyl-2,3,8,9-dimethylenedioxyphenanthridin-6(5H)-one
Ethanethioic Acid S-(4-Cyano-1-oxido-2-pyridinyl) Ester
(+/-)-triptoquinone A
N,N-dimethylbenzylamine-d8
ethyl 2-[(2,4-dichloro-5-fluoro-3-nitrophenyl)carbonyl]-3-(dimethylamino)prop-2-enoate
Benzoic acid,2-[1-(4-methoxyphenyl)ethylidene]hydrazide
1-(3,6-Bis-benzyloxy-2,4-dimethoxy-phenyl)-2-(3,4-bis-benzyloxy-phenyl)-3,3-dimethoxy-propan-1-one
(2S,3R)-2-[(S)-2-benzyloxycarbonylamino-3-(tert-butyldimethylsilanyloxy)propionylamino]-3-hydroxybutyric acid methyl ester
(1R,3R,6R,9S,10S)-9,10-dibenzyloxy-3-phenyl-2,4-dioxabicyclo<4.4.0>dec-7-ene
[Co(1,3,7,9-tetraaza-4,10-diketo-6,12-diphenyl-2,8-dithiocyclododecane)(NO3)2]
methyl 4-(N,N)-dimethylaminophenyldiazoacetate
4-methyl-2-(5-methyl-1H-indol-2-yl)benzenamine
