13C NMR data for several 1-substituted prop-2-ynes and 1,4-bis derivatives of but-2-yne are reported with full assignments. Substituent effects of —X—aryl groups (X = O, S, NMe, SO2) at the propargylic position on the chemical shifts of the acetylenic carbons were determined.Avijit...
34230-60-9 Basic Information Chemical Namepalladium(+2) cation; prop-1-yne; triethylphosphonium CAS No.34230-60-9 Molecular FormulaC18H38P2Pd+2 Molecular Weight422.9 PSA27.18000 LogP6.24820 PubChemID6327500 View More34230-60-9 Properties ...
918973-86-1 Basic Information Chemical Name2,2'-{Pyrene-1,6-diylbis[(prop-1-yne-1,3-diyl)oxy]}bis(oxane) CAS No.918973-86-1 Molecular FormulaC32H30O4 Molecular Weight478.6 PSA36.92000 LogP6.37340 PubChemID71425851 Synonyms1,6-bis[3-(tetrahydropyran-2-yloxy)propyn-1-yl]pyrene; 2H-...
13C NMR data for several 1-substituted prop-2-ynes and 1,4-bis derivatives of but-2-yne are reported with full assignments. Substituent effects of —X—aryl groups (X = O, S, NMe, SO2) at the propargylic position on the chemical shifts of the acetylenic carbons were determined.doi:...
Iodocyclodehydration of 4-mercapto-3-methyl-1-phenylpent-1-yn-3-ol (1a) to 3-iodo-4,5-dimethyl-2-phenylthiophene (2a) under different conditions a. Ph OH PdI2/KI Ph OH OH 1a morpholine ionic liquid O 2a Entry Ionic Liquid T (°C) Conversion of 1a b (%) Yield of 2a c (%)...