@article{oai:kanazawa-u.repo.nii.ac.jp:00014939,
 author = {Somei, Masanori and Hayashi, Hiroyuki and Izumi, Tohru and Ohmoto, Shinobu},
 issue = {10},
 journal = {Heterocycles},
 month = {Jan},
 note = {金沢大学大学院自然科学研究科生理活性物質科学, 金沢大学薬学部},
 pages = {2161--2164},
 title = {Simple synthesisi of 2-2'-bisindole from indigo and its application for the syntheses of indole[2,3-a]pyrrolo[3,4-c]carbazole-5,7-(6H9dione and -5-(6H9one derivatives},
 volume = {41},
 year = {1995}
}