Journal of Organic Chemistry p. 2114 - 2117 (1982)
Update date:2022-08-03
Topics:
Oshima, Takumi
Nishioka, Ryoji
Ueno, Shinya
Nagai, Toshikazu
A synthetic method for the new crown ethers possessing a diphenylmethylene moiety by the reaction of diphenyldiazomethane (DDM) and 2,3-dichloro-5,6-dicyanobenzoquinone (DDQ) under the influence of oligoethylene glycols is described.The two types of crown ethers with 1:1 and 2:2 composition of diphenylmethylene/oligoethylene glycol moiety were obtained together with the noncyclic 1:2 compositional diols.The product distributions were dependent on the relative quantities and the manner of addition of the oligoethylene glycols.
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Doi:10.1007/BF00477436
()Doi:10.1016/j.bmcl.2004.09.062
(2004)Doi:10.1021/ja00375a011
(1982)Doi:10.1016/0040-4039(92)88109-I
(1992)Doi:10.1016/S0008-6215(00)81038-1
(1982)Doi:10.1021/jo01095a023
(1958)
