108444-08-2Relevant academic research and scientific papers
Strain-Barrier Stabilized Products from the Fischer Indole Synthesis. Compounds Containing the 4H-Imidazopyrroloindole and Dipyrrolodiazetodiindole Ring Systems
Southwick, Philip L.,Sullivan, Daniel S.
, p. 731 - 735 (2007/10/02)
The angular 3a-amino groups of 3a-amino-1,3a,4,8b-tetrahydro-pyrroloindol-3(2H)-ones fail to undergo the expected spontaneous elimination (as ammonia) which would introduce a 3a-4 double bond.The resistance of the amino group to elimination is such
