Product class 13: Indole and its derivatives

JA Joule - Fused five-membered hetarenes with one …, 2001 - thieme-connect.com
The word indole is derived from the word India: indigo (3), the blue dye, was first exported
from India to Europe in the 16th century. Indoles are generally crystalline colorless solids …

Cycloadditions of (arylalkylamino) ketenes with cycloalkenes

WT Brady, YQ Gu - The Journal of Organic Chemistry, 1989 - ACS Publications
(Arylalkylamino) ketenes were prepared from the corresponding glycine derivatives and
underwent in situ cycloadditions with cyclopentadiene, cycloheptene, and cyclooctene to …