Harold M. Goff

Assignment of proximal histidine proton nmr peaks in myoglobin and hemoglobin

Summary The proton nmr spectra of model compounds of deoxy myoglobin and hemoglobin have yielded the assignment of the axial imidazole resonances. The information leads directly to an assignment of all three proximal histidyl imidazole proton resonances in sperm whale deoxy myoglobin, and the two non-equivalent proximal histidyl imidazole NH signals of the α and β chains in deoxy hemoglobin A. The NH peaks are expected to serve as valuable probes for the T ⇌ R transition in hemoglobins.

Iron porphyrin catalysed oxidation of propanal and cyclohexene by molecular oxygen

A variety of tetraphenylporphinatoiron(III) complexes are shown to catalyse the aerobic oxidation of propanal to propionic acid, and with cyclohexene as a co-substrate to effect conversion to cyclohexene oxide.

Iron(III) porphyrin promoted aerobic oxidation of sulphur dioxide

In the presence of sulphur dioxide and oxygen gas, the oxo-bridged tetraphenylporphyrinatoiron(III) dinuclear complex has been converted to the corresponding sulphato-bridged iron(III) complex.

Iron(III) porphyrin sulphate complexes. Total assignment of the carbon-13 n.m.r. spectrum

Synthesis and physical characterization, including 13C n.m.r. measurements, are reported for the first iron(III) porphyrin sulphate species.

Improvements in rotary evaporation equipment

A condenser flask for use with rotary evaporators that markedly improves their efficiency and utility.