• Alternative to dimethyl sulfate for preparation of methyl esters of hindered carboxylic acids: Chem. Ind. (London), 1002 (1973). Used in N,N-dimethylation of aromatic amines, avoiding quaternization: Org. Synth. Coll., 5, 1085 (1973), and in N-methylation of nitrogen heterocycles, e.g. pyrimidines and imidazoles: J. Chem. Soc., Perkin 1, 391, 2506 (1973).