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Conversion of 5-hydroxy to 5-amino and 5-alkoxypyrazolidines

Journal Article · · Chem. Heterocycl. Compd. (Engl. Transl.); (United States)
DOI:https://doi.org/10.1007/BF00546735· OSTI ID:6909010
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1-Acyl-5-hydroxypyrazolidines readily exchange their hydroxyl group when treated with primary amines or alcohols to form the corresponding 5-amino or 5-alkoxypyrazolidines. An acid catalyst is needed for the preparation of the 5-alkoxypyrazolidines. IR Spectra were recorded on a UR-20 instrument for vaseline mulls and PMR spectra on Bruker 250 and Tesla BS-497 (100 MHz) equipment using TMS as internal standard.

Research Organization:
M. V. Lomonosov Moscow State Univ. (USSR)
OSTI ID:
6909010
Journal Information:
Chem. Heterocycl. Compd. (Engl. Transl.); (United States), Journal Name: Chem. Heterocycl. Compd. (Engl. Transl.); (United States) Vol. 23:4; ISSN CHCCA
Country of Publication:
United States
Language:
English

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Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
640302 -- Atomic
Molecular & Chemical Physics-- Atomic & Molecular Properties & Theory
74 ATOMIC AND MOLECULAR PHYSICS
ALCOHOLS
ALKYLATION
AMINATION
AZINES
AZOLES
CHEMICAL REACTIONS
CHEMICAL SHIFT
CHLORINATED ALIPHATIC HYDROCARBONS
CHLOROFORM
COUPLING
COUPLING CONSTANTS
DEUTERIUM COMPOUNDS
HALOGENATED ALIPHATIC HYDROCARBONS
HETEROCYCLIC COMPOUNDS
HYDROGEN COMPOUNDS
HYDROXY COMPOUNDS
INFRARED SPECTRA
INTERMEDIATE COUPLING
ISOMERIZATION
ISOMERS
ISOTOPE EFFECTS
J-J COUPLING
MULTIPLETS
NMR SPECTRA
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PYRAZOLES
PYRIDINES
SPECTRA
STRUCTURAL CHEMICAL ANALYSIS