Physical Constants of the Cyclitols and Their Derivatives

The abbreviations and symbols used in the Tables are Ac, acetyl Bz, benzoyl Ms, methylsulfonyl Ns, p-nitrophenylsulfonyl Ts, p-tolylsulfo-nyl Bzd, benzylidene Ipd, isopropylidene Et, ethyl Me, methyl Ph, phenyl -0-, anhydro d. 338, decomposes (without melting) at 338° 153 d., melts at 153° with decomposition l , compound is dimorphous, with melting points at 166° and 177° amorph., amorphous cryst., crystalline trans. 192, transition in crystal form at 192° , racemic and active, asymmetric, but [ ]d not recorded. 

The first reference to the literature deals, in each instance, with the first isolation or synthesis other references are to improved methods of preparation or to physical constants differing considerably from those given in the first reference. Where a compound has been described more than once, before 1930, a reference to Beilstein is given. 

Positions are numbered according to one, either, or both, of the following formulas, as indicated in the formula column. 

Substituents Formula Melting point, °C. [ ]D,° Rotation solvent References 

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