![Sample our Physical Sciences journals, sign in here to start your FREE access for 14 days]({"type":"image" , "src" : "/sda/110819/TOC-Subject-Sample-2021-Physical-Sciences.jpg"})
Aliphatic 1-alkynes RC≡CH (R=alkyl) are readily converted into diynes RC≡CC≡CR, by introducing oxygen into a mixture of the acetylene and pyridine using copper(I)bromide as a catalyst and 1,8-diazabicyclo[5.4.0] undec-7-ene as a co-catalyst.
Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?
To request a reprint or corporate permissions for this article, please click on the relevant link below:
Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?
Obtain permissions instantly via Rightslink by clicking on the button below:
If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.
