ChemInform Abstract: Assembly of 3a‐Arylperhydroindoles by the Intramolecular Cycloaddition of 2‐Azaallyl Anions with Alkenes. Total Syntheses of (.+‐.)‐Crinine, (.+‐.)‐6‐Epicrinine, (‐)‐Amabiline, and (‐)‐Augustamine.