Abstract
Geminal amination of aminocyclotriphosphazenes is believed to proceed via a conjugate-base mechanism, but no study of this mechanism has been reported. Therefore in an endeavour to test this the effect of base concentration on the ratio of geminal to non-geminal products in the general reaction N3P3Cl5(NRR′)+ NHR″R‴ [graphic omitted] N3P3Cl4(NRR′)(NR″R‴)+ base·HCl (R,R′,R″,R‴= H or alkyl) has been investigated. The influence of the substituent groups, the amine, the solvent, and the base and its concentration have been studied. Geminal isomer formation was found to be enhanced by increased base concentration, but only if the phosphazene had a primary amine substituent. These findings conform with the proposed proton abstraction mechanism but conflict with another postulated mechanism.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: Journal of the Chemical Society, Dalton Transactions
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
