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A Facile Synthesis of Cyclopenta[d][1,2]oxazines Through [6 + 4] Cycloaddition Reaction.

✍ Scribed by Sung Yun Cho; Seung Kyu Kang; Jin Hee Ahn; Jae Du Ha; Gyu Hwan Yon; Joong-Kwon Choi

Book ID
101993078
Publisher
John Wiley and Sons
Year
2007
Weight
33 KB
Volume
38
Category
Article
ISSN
0931-7597

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Facile and convenient synthesis of 2,6-d
Facile and convenient synthesis of 2,6-disubstituted 4H-1,3-oxazin-4-one derivatives
✍ Yasuo Morita; Masakazu Kaneko; Sumiko Matsuzawa; Yutaka Yamamoto πŸ“‚ Article πŸ“… 1997 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 361 KB

## Abstract Facile and convenient methods for the preparation of a variety of 2,6‐disubstituted 4__H__‐1,3‐oxazin‐4‐ones 3 by three complementary methods are described. Treatment of the branched aliphatic imidate 2c,d with diketene 1 in the presence of a catalytic amount of acetic acid affords 2‐su