Mattay, Jochen; Gersdorf, Joachim; Freudenberg, Ulrich Tetrahedron Letters, 1984 , vol. 25, # 8 p. 817 - 820 Title/Abstract Full Text View citing articles Show Details Mattay, Jochen; Gersdorf, Joachim; Buchkremer, Karl Chemische Berichte, 1987 , vol. 120, p. 307 - 318