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Substituent effects on 13C NMR chemical shifts in dialkylaminophenylchlorophosphines
(Elsevier, 1992)
The relative chemical shifts and 2J(PC) coupling constants in the low-temperature limiting spectra of a series of Ph(R2N)PCl compounds [R = Me, Et, PhCH2, iPr and c-Hex] differ for R = primary or secondary. For primary ...
Intermolecular 1,3-dipolar cycloadditions of muchnones with acetylenic dipolarophiles: Sorting out the regioselectivity
(Elsevier, 1994-04-03)
A series of 1,3-dipolar cycloadditions of munchnones with acetylenic dipolarophiles was studied, wherein factors related to regioselectivity were investigated. The results from munchnones with electronically divergent ...