Process for preparing 5-aminodihydropyrrole intermediate thereof

Details Process for preparing 5-aminodihydropyrrole intermediate thereof Process for preparing 5-aminodihydropyrrole intermediate thereof

1994-12-13

1996-03-12

McKane, Joseph K.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548542, 548558, C07D20732

Patent

active

054987253

ABSTRACT:
A 5-aminodihydropyrrole of the formula (1): ##STR1## in which R.sup.1 and R.sup.2 independently represent a hydrogen atom, a lower alkyl group or a lower haloalkyl group, or together form a C.sub.2 -C.sub.10 alkylene group optionally substituted with a halogen by reducing an oxidepyrrole of the formula (2): ##STR2## in which R.sup.1 and R.sup.2 are the same as defined above, with hydrogen in the presence of a catalyst.

REFERENCES:
patent: 4016175 (1977-04-01), Schaafsma et al.
Journal of Organic Chemistry, vol. 43, No. 16, 1978, pp. 3101-3107, F. G. Bordwell et al. The Taft Equation As . . . .
Journal of the Chemical Society, 1947, pp. 1505-1508, G. D. Buckley et al. Aliphatic Nitro-compounds . . . .
J. Chem. Soc. Nitroxide Radicals . . . 1-Oxides. Forrester et al., pp. 1224-1231, 1965.
CA60:3616e The structure . . . N-oxide. Forrester et al., 1964.
CA62:9092g Nitroxide redicals . . . 1-oxides. Forrester et al., 1965.
CA86:29567b Synthesis . . . 2-phenylalkanenitriles. Jaw dosiuk et al., 1977.
CA88:74264c Synthesis . . . -indoles. Munshi et al., pp. 476, 1978.
CA116:194083m Cyclization . . . compounds. Nasakin et al., p. 704, 1992.
G. D. Buckley et al "Aliphatic Nitro-Compounds. Part XV. Preparation Of Heterocyclic Bases By Reduction Of 3-Nitroalkyl Cyanides." (1947), J. Chem. Soc.
"Monatsh. Chem." pp. 1263 (1970), (5), Klotzer et al.

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