共 19 条
[1]
BOYER JH, 1967, J AM CHEM SOC, V89, P5505
[7]
HARVEY R, 1966, J ORG CHEM, V31, P3907
[8]
HASSNER A, 1967, TETRAHEDRON LETT, P1545
[9]
HASSNER A, 1967, PRIVATE COMMUNICATIO