Organic Syntheses | Page 3

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ORGANIC SYNTHESES
AN ANNUAL PUBLICATION OF SATISFACTORY METHODS
FOR THE PREPARATION OF ORGANIC CHEMICALS
EDITORIAL BOARD JAMES BRYANT CONANT, _Editor-in-Chief_
HANS THACHER CLARKE ROGER ADAMS OLIVER KAMM

CONTRIBUTORS G. H. COLEMAN J, C. HESSLER E. P. KOHLER
C. S. MARVEL W. A. NOYES G. R. ROBERTSON E. B. VLIET F. C.
WHITMORE
VOL. II.

Caveat: Some numbers did not OCR correctly and may not have been
corrected during the proofing! Check the 1941 print edition before
trying these!
INTRODUCTION TO THE SERIES
THE publication of this series of pamphlets has been undertaken to
make available in a permanent form complete detailed directions for
the preparation of various organic chemical reagents. In announcing
this purpose it may be well to mention at the outset some of the
difficulties in the way of the research chemist, which it is hoped this
series will be able to overcome. The cost of chemicals is prohibitive to
the majority of chemists; this was true before the war when Kahlbaum's
complete supply was available, and to-day with our dependence on
domestic stocks, this cost has increased. The delay in obtaining
chemicals, especially from abroad, even if the expense need not be
considered, is an important factor. These difficulties have therefore
thrown the research chemist on his own resources. The preparation of
materials for research, always time consuming and annoying, is made
increasingly so by the inexactness of the published information which
so often omits essential details. Because of this, much needless
experimentation is necessary in order to obtain the results given in the
published reports. As the additional information thus acquired is
seldom published, duplication of such experiments occurs again and
again,-- a waste of time and material. It is hoped these difficulties may
be remedied by the publication of this series of pamphlets. In other
words, the authors hope to make this a clearing house for the exchange
of information as to methods of preparation of some of the most needed
organic chemical reagents.
On account of the impossibility of obtaining the less common organic
chemicals in the United States during the past few years, university
laboratories have had no option but to prepare their own supplies. At

the University of Illinois, for instance, a special study has been made of
this field, and methods for the production of various substances have
been investigated. As a result, reliable methods and directions have
been developed for producing the materials in one-half to five pound
lots. Such work as Illinois has done is now being given an even more
extensive scope at the Research Laboratory of the Eastman Kodak
Company. It is felt that the results from these various laboratories
should be available to all chemists and it is hoped that they eventually
will be completely incorporated in these pamphlets.
The organic chemicals herein discussed have been quite arbitrarily
chosen, being those which have been needed in various research
laboratories in the last years and for which the directions happen now
to be ready for publication. The methods are in only a few cases new
ones; they are in general the most satisfactory to be found in the
literature. Only such details have been added as will enable a man with
a reasonable amount of experience in organic chemistry to duplicate the
results without difficulty. To be absolutely sure that each set of
directions can be repeated, every experiment