Download PDF
Synthesis 1995; 1995(8): 929-930
DOI: 10.1055/s-1995-4029
short paper
© Georg Thieme Verlag, Rüdigerstr. 14, 70469 Stuttgart, Germany. All rights reserved. This journal, including all individual contributions and illustrations published therein, is legally protected by copyright for the duration of the copyright period. Any use, exploitation or commercialization outside the narrow limits set by copyright legislation, without the publisher's consent, is illegal and liable to criminal prosecution. This applies in particular to photostat reproduction, copying, cyclostyling, mimeographing or duplication of any kind, translating, preparation of microfilms, and electronic data processing and storage.

Cycloaromatization of Methyl (E)-4-(Methyllithio)-3-(1-pyrrolidinyl)-2-butenoate with α-Oxoketene N,S-Acetals: Direct Synthesis of 3,5-Bis(cycloalkylamino)biphenyls

Kethiri R. Reddy, Hiriyakkanavar Ila* , Hiriyakkanavar Junjappa1
  • *Department of Chemistry, North-Eastern Hill University, Shillong - 793003 Meghalaya, India
Further Information

Publication History

Publication Date:
31 December 2000 (online)

  PDF Download  Permissions and Reprints All articles of this category

The vinyl carbanion 2 undergoes cycloaromatization with α-oxoketene N,S-acetals 3 through 1,4-conjugate addition-elimination process to afford 3,5-diaminobiphenyls 4 in good yields.

β-pyrrolidinocrotonate - α-oxoketene N,S-acetals - bis(cycloalkylamino)biphenyls - cycloaromatization - γ-1,4-conjugate addition

      >