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zgzykxyygp: ½ð±Ò+14, ¡ï¡ï¡ïºÜÓаïÖú, ÄúºÃ£¬·Ç³£¸ÐлÄúµÄ°ïÖú£¬ÄÜ·ñ°ïÎÒ´øËùËÑË÷µÄ½á¹¹Ò»Æð±£´æÎªPDF¸ñʽ£¬·¢¸øÎÒһϣ¬Ð»Ð» 2012-12-29 12:08:54
zgzykxyygp: ½ð±Ò+1, ¡ï¡ï¡ïºÜÓаïÖú 2013-04-10 13:18:13
CAS Registry Number: 58728-56-6
C15 H26 O2
1,4-Naphthalenediol, decahydro-1,4a-dimethyl-7-(1-methylethylidene)-, [1R-(1¦Á,4¦Â,4a¦Â,8a¦Á)]- (9CI)

1. Biotransformation of the germacrane epoxides by Cichorium intybusFull Text By Piet, Dennis P.; Schrijvers, Robert; Franssen, Maurice C. R.; de Groot, Aede
From Tetrahedron (1995), 51(22), 6303-14.  |  Language: English, Database: CAPLUS
The biotransformation of germacrone-4,5-epoxide, germacrone-1,10-epoxide, isogermacrone-4,5-epoxide, germacrene B-4,5-epoxide and germacrene B-1,10-epoxide by a suspension of fresh chicory root (Cichorium intybus) was investigated.  Enzyme-catalyzed cyclizations towards substituted guaianes and eudesmanes were obsd.
~21  


2. Medium-ring 1,5-dienes.  III.  Cyclization of germacra-1(10),4,7(11)-triene oxidesFull Text By Brown, Edward D.; Sutherland, James K.; Sam, Teng W.
From Journal of the Chemical Society, Perkin Transactions 1:  Organic and Bio-Organic Chemistry (1972-1999) (1975), (22), 2332-6.  |  Language: English, Database: CAPLUS
Epoxidn. of the triene I gave the corresponding 4,5-, 1,10-, and exocyclic epoxides, II-IV, resp. and an explanation was offered for the relative proportions obtained (II > III >> IV).  Acid-catalyzed cyclization of II gave guaiane derivs. whereas similar treatment of III gave selinanes.  Reductive cyclization of II gave a guaiane and on pyrolysis II was converted into a bicyclo[4.1.0]heptane deriv. having the C skeleton of the carabrone sesquiterpenes.
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