2. Steroid analogues. Part 2. Synthesis of unsymmetrical bi(cycloalkylidene)s via vic-dinitro-compounds David J. Humphreys,Pamela M. Lawrence,Christopher E. Newall J. Chem. Soc. Perkin Trans. 1 1978 19
3. The occurrence of through-bond orbital interactions in an α,ω donor–acceptor substituted bi(cyclohexylidene) and bi(cyclohexyl). X-Ray diffraction, UV–Vis absorption and photoelectron spectroscopy, ab initio SCF-MO and natural bond orbital analyses Wibren D. Oosterbaan,Remco W. A. Havenith,Cornelis A. van Walree,Leonardus W. Jenneskens,Rolf Gleiter,Huub Kooijman,Anthony L. Spek J. Chem. Soc. Perkin Trans. 2 2001 1066
4. Steroid analogues. Part 4. Synthesis of Δ9-6,7-dinor-5,8-seco-steroids viaβ-lactones David J. Humphreys,Christopher E. Newall J. Chem. Soc. Perkin Trans. 1 1978 33
5. Steroid analogues. Part 5. Synthesis of Δ9-6,7-dinor-5,8-seco-steroids viaΔ3-1,3,4-thiadiazolines David J. Humphreys,Christopher E. Newall,Gordon H. Phillipps,Gerald A. Smith J. Chem. Soc. Perkin Trans. 1 1978 45