The Chemistry of Heterocyclic Compounds, since its inception, has been recognized as a cornerstone of heterocyclic chemistry. Each volume attempts to discuss all aspects – properties, synthesis, reactions, physiological and industrial significance – of a specific ring system. To keep the series up-to-date, supplementary volumes covering the recent literature on each individual ring system have been published. Many ring systems (such as pyridines and oxazoles) are treated in distinct books, each consisting of separate volumes or parts dealing with different individual topics. With all authors are recognized authorities, the Chemistry of Heterocyclic Chemistry is considered worldwide as the indispensable resource for organic, bioorganic, and medicinal chemists.
I. Furopyrans and -pyrones 1
I. Naturally Occurring Furopyrans 2
1. Flumericin 2
2. Anhydrotetrahydroaucubigenin 9
II. Synthetic Furopyrans and-pyrones 11
III. References 13
II. Furocoumarins 14
I. Isolation 15
II. Physical Properties 32
III. Nomenclature 35
IV. Naturally Occurring Furocoumarins 35
1. Structure and Chemical Properties 35
A. Angelicin 36
B. Psoralen 38
C. Bergapten 41
D. Bergaptol 44
E. Isobergapten 44
F. Bergamottin 45
G. Xanthotoxin 46
H. Xanthotoxol 52
I. Isoimperatorin 52
J. Oxypeucedanin 52
K. Ostruthol 53
L. Imperatorin 55
M. Alloimperatorin 56
N. Heraclenin 56
O. Isopimpinellin 56
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