Aza-Annulation of Polarized N,S- and N,N-Ketene Acetals with Itaconic Anhydride: Synthesis of Novel Functionalized 1,2,3,4-Tetrahydro-2-pyridones and Related Azabicycles
Process for producing heterocyclic compound having nitromethylene group
申请人:UBE Industries, Ltd.
公开号:US04665172A1
公开(公告)日:1987-05-12
Disclosed is a process for producing a heterocyclic compound having as the side chain group a nitromethylene group of the formula: ##STR1## wherein Y, R and n are as defined in the specification, which comprises reacting a 2,2-dihalonitroethylene compound with a 1-aminoalkanethiol compound or a 1-N-substituted derivative thereof.
Aza-Annulation of Polarized N,S- and N,N-Ketene Acetals with Itaconic Anhydride: Synthesis of Novel Functionalized 1,2,3,4-Tetrahydro-2-pyridones and Related Azabicycles
作者:Hiriyakkanavar Ila、Hiriyakkanavar Junjappa、Sriparna Chakrabarti、Kausik Panda、Nimesh C. Misra
DOI:10.1055/s-2005-868491
日期:——
Synthesis of novel highly functionalized 2-oxo-(1,2,3,4-tetrahydropyridin-3-yl)acetic acids has been described via aza-annulation of both acyclic and cyclic α-oxo- and α-nitro-N,S- and -N,N-ketene acetals with itaconic anhydride.
Process for producing a 2H-1,3-thiazolidine, 2H-tetrahydro-1,3-thiazine,
申请人:Ube Industries, Ltd.
公开号:US04625025A1
公开(公告)日:1986-11-25
Disclosed is a process for producing a heterocyclic compound having a nitromethylene group as the side chain, of the formula ##STR1## wherein Y represents a hydrogen atom, a halogen atom or a lower alkyl group, R represents a hydrogen atom, an alkyl group, a cycloalkyl group, an aralkyl group, an alkenyl group, an alkynyl group or an acyl group, and n represents an integer of 2, 3 or 4, which comprises reacting a 2,2,2-trihalo-1-nitroethane compound with a 1-aminoalkanethiol compound or a 1-N-substituted derivative thereof.