2-hydroxy-1,2,3,6-tetrahydro-azulen-6-carboxylic acid ethyl ester — a novel precursor for a new...
TRANSCRIPT
2006
Rings with 7 or more membersQ 0050 2-Hydroxy-1,2,3,6-tetrahydro-azulen-6-carboxylic Acid Ethyl Ester — A Novel
Precursor for a New Class of Liquid Crystalline Materials. — A facile synthesis of the title azulene (IX) and its halogen derivatives (X) and (XI) is described. The ring enlargement of carbene adduct (VI), obtained by a novel approach, is the key step of the sequence. — (HUSSAIN*, Z.; HOPF, H.; POHL, L.; RANTANEN, T.; Synth. Commun. 36 (2006) 4-6, 559-571; MPI Bioanorg. Chem., D-45470 Muelheim/R., Germany; Eng.) — H. Toeppel
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