Helvetica Chimica Acta p. 1627 - 1638 (1997)
Update date:2022-08-02
Topics:
You, Shaochun
Chai, Shengyong
Schwarz, Nadine
Neuenschwander, Markus
Pentalene dimers 2 and 3 are easily available in moderate yields by CuCl2-induced oxidative coupling of dilithium-pentalenediide (5) (Scheme 1).On the other hand, NBS bromination of 1,5-dihydropentalene (4) or of 1,2-dihydropentalene (8) gives unstable 1-bromo-1,2-dihydropentalene (9), while subsequent in-situ elimination with Et3N exclusively gives syn-cis-pentalene dimer 2 in moderale yields (Scheme3).NMR-Spectroscopic evidence for compounds 2. 3. and 9 is presented, and mechanistic alternatives for the formation of pentalene dimers 2 and 3 are discussed.
View MoreSHENYANG COMEBOARD TECHNOLOGY CO., LTD
Contact:+86-24-25724626
Address:Room2210,Tianbao International Building,No.8-1 Weigong South Street,Tiexi District,Shenyang,China
Yicheng Goto Pharmaceuticals Co.,Ltd.
Contact:+86 710 3423122
Address:5th Floor,East Gate of Building #2,Servo-Industrial Park,1st Qilin Road,Xiangyang,Hubei,China
Rugao Jinling Chemical Co., Ltd.
Contact:0086-513-68005586
Address:Lianluo new village huangshi town Rugao city Jiangsu Province.
Contact:+86 21 5017 5386
Address:No 999,Jiangyue Rd, Minhang Dist ,201114,Shanghai ,China
FOSHAN NANHAI ZHONGNAN PHARMACEUTICAL FACTORY
Contact:0086-0757-85609331
Address:XIAHENGTIAN INDUSTRIAL ZONE,SHAYONG VILLAGE,LISHUI TOWN
Doi:10.1002/hlca.19960790210
(1996)Doi:10.1002/ardp.19673000608
(1967)Doi:10.1039/b208115f
(2002)Doi:10.1016/j.polymer.2010.11.055
(2011)Doi:10.1021/acs.orglett.9b03054
(2019)Doi:10.1016/S0022-1139(96)03452-5
(1996)