✍ Scribed by Tschitschibabin, A. E. ;Preobrashensky, N. A.
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
## Abstract Sulphonation of guaiazulene (**1**) with sulphuric acid in acetic acid anhydride is known to give guaiazulene‐1‐sulphonic acid (**2**). It is shown that sulphonation of (**1**) with oleum yields the isomers (**3**) and (**4**), carrying the sulphonic group in position 2 and on the 1‐met
## Abstract A novel synthesis for __rac__‐pilosinine (**6** __rac__) and transformation of (+)‐pilosinine (**6**) into the __pilocarpus__ alkaloids (+)‐isopilosine (**9**) and (+)‐pilocarpine (**18**) are described. By correlation __via__ **5** with **18** the absolute configuration of (+)‐isopilos
Aus dem Tnstitut fur organische Chemie und organisch-chemische Technologk der Technischen Hochschule Stuttgart] (Eingegangen am 13. Januar 1955) Mit Hilfe von UV-Spektren wird gczeigt, daO den Sulfimtiuren in polaren und nichtpolaren Lijsungsmitteln die Struktur R-SO(0H) zukommt.