e.g. Filippa Pettersson or Cancer Res. 75(6) , 1102-12, (2015) or 10.1002/anie.201600521
Chemistry of acetylenic ethers 70: Preparation of 1??alkynyl thioethers and 1??alkynyl selenoethers from sodium alkynylides, sulphur or selenium and alkyl halides
L Brandsma, HE Wijers, C Jonker
Index: Recueil des Travaux Chimiques des Pays-Bas, , vol. 83, p. 208 - 216