Reactions at high pressure, part 10: the
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Neil S. Isaacs; Paul Van der Beeke
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Article
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1982
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Elsevier Science
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French
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the intramolecular cyclisation of furans, 3, proceeds with the following activation characteristics: J(R=Et) has EA= 72.5, H=69. 9 kJmo1 -' s" ,62Jf1 , mol-l, d= -25 cm3mol-'. The results confirm the existence of a negative volume contribution from the approach of reagents in intermolecular analogu