Selective synthesis of 4,5-dihydroimidazo- and imidazo[1,5-a]quinoxalines via modified Pictet–Spengler reaction
2013
Verma, Akhilesh Kumar | Jha, Rajeev Ranjan | Kasi Sankar, V. | Singh, Raj Pal
An efficient tandem approach for the selective synthesis of 4,5-dihydroimidazo[1,5-a]quinoxalines 6a–g and imidazo[1,5-a]quinoxalines 7a–h by the reaction of 2-imidazolyl anilines 4a–c with aryl aldehydes 5a–k under mild reaction conditions is described. Introduction of electron releasing alkyl groups in substrates 4a–b was found to be instrumental for the success of the reaction.
显示更多 [+] 显示较少 [-]AGROVOC关键词
书目信息
Tetrahedron letters
卷
54
页码
5984
- 5990
ISSN
0040-4039
出版者
John Wiley & Sons, Ltd
其它主题
Cdvpqbrbhsgini-gosisdbhsa-n; Oroztwhxevlgsr-uhfffaoysa-n; Zetivvhrrqlwfw-uhfffaoysa-n; Zrsnzinyawtahe-uhfffaoysa-n; Quinoxalines; Qzvnulapuftiir-uhfffaoysa-n; Ipkkqdygwnffbx-uhfffaoysa-n; Pictet–spengeler; Hvectiqvqpusex-uhfffaoysa-n; Lewis-acid; Quinoxaline; Ysfbeaasfuwwhu-uhfffaoysa-n; Bzflmxwpbgrbnh-uhfffaoysa-n; Fxlovshxalflkq-uhfffaoysa-n; Srwilaksarhzpr-uhfffaoysa-n; Ienkvdsiknlrqc-uhfffaoysa-n; Qtakoflshldtgs-uhfffaoysa-n; Yhrzdtqwpnsnes-uhfffaoysa-n; Hesjllcgkvdgib-uhfffaoysa-n; Wxxjipfnsshulp-uhfffaoysa-n; Pmphjrrebvgrkd-uhfffaoysa-n; Wmpdaizrqdcgfh-uhfffaoysa-n; Bxtnqdvtnlkfdn-uhfffaoysa-n; Qjtritovxcrfir-uhfffaoysa-n; Pvlvjiqnpdpvcx-uhfffaoysa-n; Uoqxiwfbqsvdpp-uhfffaoysa-n; Hcjzhoyitpazez-uhfffaoysa-n; Bxrfqsnoroatlv-uhfffaoysa-n; Rzrmmfgdfrmbck-uhfffaoysa-n; Beobzeoptqqelp-uhfffaoysa-n; Vomuawmfcxylqc-uhfffaoysa-n; Qhwsidrrgllbfe-uhfffaoysa-n; Cgsmeehvdrcnoj-uhfffaoysa-n; Tandem cyclization; Gxcqdiwnaxpklq-uhfffaoysa-n; Wzwiqymtqzcski-uhfffaoysa-n
语言
英语
类型
Journal Article; Text
2024-02-27
MODS