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A total synthesis of (±) steganacin via the modified Ullmann reaction

✍ Scribed by Frederick E. Ziegler; Kerry W. Fowler; Nanda D. Sinha

Book ID
104245882
Publisher
Elsevier Science
Year
1978
Tongue
French
Weight
178 KB
Volume
19
Category
Article
ISSN
0040-4039

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✦ Synopsis

Steganacin (la) and steganangin (lb), two antileukemic agents which occur along with steganone (lc) and steganol (Id) in SXegunoXati u&~!&cea Hochst, were isolated by Kupchan in 1973.2 Three of these natural products (la, lc, and Id) have consequence of our recently developed method5 which permits the ducted regiospecifically at room temperature, we wish to report of this class of compounds. been synthesized.3'4 As a Ullmann reaction to be cona new synthesis of members CHa6

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