Studies on the sesquiterpenoids of hypolepis punctata mett.—II: The total synthesis of hypacrone
Y Hayashi, M Nishizawa, T Sakan
Index: Hayashi,Y. et al. Tetrahedron, 1977 , vol. 33, p. 2513 - 2519
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Citation Number: 10
Abstract
... The Page 6. 2518 Y. HAYASHI et al. transformation was traced by monitoring the PMR signals at 2.56ppm ((El-isomer) and 2.49ppm ([Z]-isomer) for H-3, or at 5.88 ppm ([El-isomer) and 5.78 ppm ([Z]-isomer) for H-5 in every 15 min. ... The double bond isomer of IO: S(CCl,) 0.80, 1.00, 2.08 (each 3H, s), 5.08 (ZH, br s). 'Y. Hayashi, M. Nishizawa and T. Sakan, Chemiswy Louem 63 (1973); Tetrahedron 33. 2511 (1977). 'Y. Havashi. M. Nishizawa and T. S&an. ...
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