起来了
发表于 2025-3-30 10:14:16
Configurational Assignments in Certain Stereoisomeric SetsIn this Chapter an attempt will be made to summarize our knowledge concerning . configurations proposed on the basis of stereo isomerization experiments and to coordinate them with the information gained by total synthesis. The reader will note that the available data are both heterogeneous and fragmentary.
光滑
发表于 2025-3-30 14:00:07
Cumulenes with Aromatic Terminal GroupsAs is well known, the cumulenes (in German, “Kumulene”) possess . double bonds attached to . + . carbon atoms, the simplest representatives being allenes (propadienes) C=C=C and butatrienes C=C=C=C. They can be converted into . polyenes (pp. 58, 62,188).
玷污
发表于 2025-3-30 16:32:05
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结合
发表于 2025-3-31 00:15:54
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exclusice
发表于 2025-3-31 02:52:54
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ALLAY
发表于 2025-3-31 05:13:19
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丛林
发表于 2025-3-31 09:49:00
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outrage
发表于 2025-3-31 15:17:48
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辩论
发表于 2025-3-31 20:43:23
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精美食品
发表于 2025-3-31 21:57:30
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