共 9 条
[4]
STUDIES DIRECTED TOWARD SYNTHESIS OF QUASSINOIDS .6. MASS-SPECTRAL FRAGMENTATION OF D-RING SECO ESTERS AND DELTA-LACTONE DERIVATIVES OF CHOLIC-ACID
[J].
ORGANIC MASS SPECTROMETRY,
1978, 13 (06)
:307-314
[5]
DIAS JR, 1977, J ORG CHEM, V42, P1673
[6]
Kosower E. M., 1963, J ORG CHEM, V28, P630, DOI DOI 10.1021/JO01038A007
[9]
NAKAJIMA S, 1976, J PHARM SOC JAPAN, V96, P863