## Abstract Three porphyrins 2, 3, and 4, related to Hans Fischer's octaethylporphyrin 1, but with unsubstituted pyrrole β‐positions were synthesized via the biladiene pathway. The ring‐closing reaction to form the porphyrin reveals a conformational control, called __helical effect__. These new por
✦ LIBER ✦
Partial synthesis of octanor-13β-dammarane
✍ Scribed by G. V. Malinovskaya; N. D. Pokhilo; V. L. Novikov; V. A. Denisenko; N. I. Uvarova
- Book ID
- 112377120
- Publisher
- Springer
- Year
- 1982
- Tongue
- English
- Weight
- 417 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0009-3130
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