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A convenient procedure for the synthesis of bis-steroidal pyrazines: models for the cephalostatins

✍ Scribed by Smith, Stephen C.; Heathcock, Clayton H.

Book ID
127098841
Publisher
American Chemical Society
Year
1992
Tongue
English
Weight
233 KB
Volume
57
Category
Article
ISSN
0022-3263

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πŸ“œ SIMILAR VOLUMES

A convenient procedure for the synthesis
A convenient procedure for the synthesis of enyne-allenes
✍ Kung K. Wang; Zhongguo Wang πŸ“‚ Article πŸ“… 1994 πŸ› Elsevier Science 🌐 French βš– 332 KB

Bromoboration of l-hexyne with BBr, followed by treatment with 2-propanol produced alkenyl boronic ester 3. Subsequent Pd(O)-catalyzed cross-coupling with acetylenic zinc chlorides and iodination furnished enyne iodides 6, which were then converted to enyne-allenes 8 by a second Pd(O)-catalyzed reac