Two-Carbon Ring Expansion of 1-Indanones via Insertion of Ethylene into Carbon–Carbon Bonds
作者:Ying Xia、Shusuke Ochi、Guangbin Dong
DOI:10.1021/jacs.9b07445
日期:2019.8.21
A rhodium-catalyzed direct insertion of ethylene into a relatively unstrained carbon-carbon bond in 1-indanones is reported, which provides a two-carbon ring-expansion strategy for preparing seven-membered cyclic ketones. As many 1-indanones are commercially available and ethylene is inexpensive, this strategy simplifies synthesis of benzocycloheptenones that are valuable synthetic intermediates for
Nickel‐Catalyzed Ring Expansion of Cyclobutanones towards Indanones
作者:Tengyun Chen、Yunkai Wu、Peilin Han、Jiqiang Gao、Yuanqi Wu、Jinbo Zhao、Haotian Liang、Yongsheng Liu、Yu Liu
DOI:10.1002/hlca.202100184
日期:2022.2
3-methylindanones has not been disclosed. We present herein a nickel catalyzed C−C bond reconstruction sequence of o-bromophenylcyclobutanones using H2O as hydrogen donor, leading to a series of indanones, which can be further converted into other benzene-fused cyclic compounds.
尽管最近在邻卤素束缚苯基环丁酮与其他伙伴的催化开环/交叉偶联过程方面取得了进展,但尚未公开此类前体对 3-甲基茚满酮的单组分扩环。我们在此提出了一种镍催化的邻溴苯基环丁酮的 C-C 键重建序列,使用 H 2 O 作为氢供体,产生一系列茚满酮,这些茚满酮可以进一步转化为其他苯稠合环状化合物。
v. Braun; Heider, Chemische Berichte, 1916, vol. 49, p. 1275
作者:v. Braun、Heider
DOI:——
日期:——
Cyclic ketones of the aromatic series and process of making same