Results 51 to 60 of about 17,423 (140)

2,5-Cyclohexadienones as a Useful Launching Point for the Synthesis of the Briarane Diterpenoids and A Hypervalent Iodine-Mediated Synthesis of Oxazolines [PDF]

open access: yes, 2015
University of Minnesota Ph.D. dissertation.May 2015. Major: Chemistry. Advisor: Andrew Harned. 1 computer file (PDF); xix, 500 pages.The briarane diterpenoids are a large class of natural products derived from gorgonians and other corals from throughout
Moon, Nicholas
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Total synthesis towards briarane skeleton and photoswitchable boron catalysis [PDF]

open access: yes, 2021
The briarane diterpenoids are a large family of natural products isolated from marine creatures. The briarane skeleton bears a trans-fused[8.4.0]bicyclic system with multiple chirality and functionality.
Cheng, Lu
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Four New Briarane Diterpenoids from the Gorgonian Coral Junceella Fragilis [PDF]

open access: yes, 2008
Chemical investigation of the gorgonian coral Junceella fragilis, collected by scuba diving in Taiwan, resulted in the isolation of four new briarane-type diterpenoids, frajunolides A-D (1-4), along with three known briaranes.
Shen, Ya-Ching; Chen, Yu-Hui; Hwang, Tsong-Long; Guh, Jih-Hwa; Khalil, Ashraf Taha   +1 more
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Diterpenoids from Cultured Erythropodium caribaeorum [PDF]

open access: yes, 2016
The known antimitotic agent eleutherobin and the briarane diterpenoids erythrolides A and B have been isolated from cultured specimens of Erythropodium caribaeorum in amounts comparable to those reported from wild-harvested reef animals.
Raymond J. Andersen (155984)   +4 more
core   +1 more source

Umbraculolide E, a new briarane diterpenoid from the gorgonian Gorgonella umbraculum [PDF]

open access: yes, 2007
A new briarane diterpenoid, umbraculolide E (1) has been isolated from the gorgonian Gorgonella umbraculum besides the known briarane diterpenoids, juncellin, umbraculolides A and D, and a steroid 22-acetoxy-3,25-dihydroxy-16-24,20-24-bisepoxy-(3 beta,16
Anjaneyulu, Ammanamanchi S. R.   +4 more
core   +2 more sources

Milolides G−N, New Briarane Diterpenoids from the Western Pacific Octocoral Briareum stechei [PDF]

open access: yes, 2016
Twelve new briarane diterpenes, designated milolides (1−12), and one known diterpene, 9-deacetylstylatulide lactone (13), were isolated from the Micronesian octocoral Briareum stechei collected at Yap, Federated States of Micronesia.
Jong Hwan Kwak (1433773)   +2 more
core   +1 more source

Cyclobutenbriarein A, the First Diterpene with a Tricyclo[8.4.0.03,6]tetradec-4-ene Ring System Isolated from the Gorgonian Briareum asbestinum [PDF]

open access: yes, 2016
Cyclobutenbriarein A (2), a novel class of C20-rearranged diterpene briarane possessing an unprecedented tricyclo[8.4.0.03,6]tetradec-4-ene ring system was isolated, along with five new briarane diterpenoids (1 and 3−6), from the organic extracts of the ...
Jaime Rodríguez (2436346)   +3 more
core   +1 more source

Isolation and Structure Elucidation of Feeding Deterrent Diterpenoids from the Sea Pansy, Renilla reniformis [PDF]

open access: yes, 2016
Four new briarane diterpenoids, renillins A−D (1−4), and the known compound renillafoulin C (5) were isolated from the sea pansy, Renilla reniformis. The structures and relative stereochemistry were elucidated by the interpretation of spectroscopic data.
Todd Barsby (2532769)   +1 more
core   +1 more source

Diterpenoids from Taiwanese Soft Corals Xenia umbellata,Junceella juncea, and Junceella fragilis [PDF]

open access: yes, 2007
This research focuses on diterpenoids from Taiwanese soft corals Xenia umbellata Lamarck, Junceella juncea Pallas and Junceella fragilis Ridley. Twelve diterpenoids in addition to one sesequiterpenoid were isolated. Our investigation of the soft coral X.
Chen, Yu-hui
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Studies on the Briarane-type Diterpenoids from a Cultured Octocoral Briareum excavatum [PDF]

open access: yes, 2009
In the continuing search for novel substances from marine invertebrates originally distributed in Taiwan waters. The octocoral Briareum excavatum was transplanted to the culturing tanks located in the NMMBA for its interesting chemical constituents. This
Lin, Mei-ru
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