Journal of the Chemical Society. Perkin transactions I p. 2656 - 2661 (1981)
Update date:2022-08-02
Topics:
Brittain, Judith M.
Jones, R. Alan
Jones, Richard O.
King, Trevor J.
2-Dichloromethyl-3,5-bisethoxycarbonyl-4-methylpyrrole (3) yields a thermally labile 5,10-methylenedioxy-5H,10H-dipyrrolo<1,2-a;1',2'-d>pyrazine (1) when heated with 6percent aqueous potassium hydroxide.Upon being heated at 160 deg C the colourless dipyrrolopyrazine is converted into a red bis-(1-azafulvene) system, which can be reconverted photochemically into the dipyrrolopyrazine via a <6? + 6?> cycloaddition reaction.
View MoreContact:+852 83038667
Address:Room 1502, 15th Floor, SPA Centre,53-55 Lockhart Road, Wanchai, Hong Kong
Suzhou Ryan Pharmachem Technology Co.,Ltd
Contact:+86-0512-68780025
Address:B-301,No.2 Taishan Road,Suzhou New District,Jiangsu,P.R. China
Contact:+86-10-67147360/67107388
Address:No.18 Guangming Zhongjie, Chongwen District, Beijing, 100061, China
NINGBO YINLIANG FOREIGN TRADE CO., LTD.
Contact:+86-574-87834016 / 87898057
Address:23F NO.666JINYU ROAD,YINGZHOU DISTRICT,NINGBO.CHINA
Zhejiang Newfine Industry Co.,Ltd.
Contact:+86-573-82262042
Address:No.225,Dongqing Road, garoms@163.com
Doi:10.1002/anie.200461001
(2004)Doi:10.1055/s-1981-29610
(1981)Doi:10.1016/S0022-328X(00)81019-0
(1981)Doi:10.1002/mrc.1270200210
(1982)Doi:10.1021/jo049062o
(2004)Doi:10.1039/b600970k
(2006)
