Hauptwerk Beilstein

The literature on benzofuroxans is considerably complicated by uncertainties concerning their structure, which were resolved only in 1960. Thus, Beilstein s Hauptwerk includes them in Volume 7 (as derivatives of o-quinones, depicted as dioxadiazines, and named as... 

The first three editions of Beilstein are obsolete. The fourth edition (vierte Auflage) covers the literature from its beginnings through 1909. This edition, called das Hauptwerk, consists of 27 volumes. The compounds are arranged in order of a system too elaborate to discuss fully here. The compounds are divided into three divisions which are further subdivided into systems ... 

Beilstein, 4. Hauptwerk, Bd. 27, S. 562, Springer Verlag, Berlin-New York 1937 s. dazu auch 2. Ergan-... 

Beilstein vol 1, p350 of the Hauptwerk p(170) of the Erstes Erganzung p [200] of the Zweites Erganzung and p l550l of the Drittes Erganzung... 

Beilstein s Handbuch der Organischen Chemie, Hauptwerk, 4th ed., Vol. 27, p. 562. Springer-Verlag, Berlin and New York, 1937. 

Find the following compounds in the formula index for the Second Supplement of Beilstein (see Section 29.10). (1) List the page numbers from the main work and the supplements (first and second). (2) LFsing these page numbers, look up the system number (Syst. No.) and the main work number Hauptwerk number, H) for each compound in the main work and the first and second supplements. In some cases, a compound may not be found in all three places. (3) Now use the system number and main work number to find each of these compounds in the third and fourth supplements. List the page numbers where these compounds are found. 

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