182258-03-3Relevant articles and documents
An abnormal Barton-Zard reaction leading to the pyrrolo[2,3-b]indole ring system
Pelkey, Erin T.,Chang, Louis,Gribble, Gordon W.
, p. 1909 - 1910 (2007/10/03)
The reaction of 3-nitro-N-(phenylsulfonyl)indole 1 with ethyl isocyanoacetate 2 under the Barton-Zard pyrrole synthesis conditions gives ethyl 8-(phenylsulfonyl)-1,8-dihydropyrrolo[2,3-b]indole-2-carboxylate 3 rather than the anticipated ethyl 4-(phenylsu