Photocycloaddition of 6-chloro-1,3-dimethyluracil to alkenes: synthesis of 1,2-dihydrocyclobuta[<span class="math"><math><mtext>d</mtext></math></span>]pyrimidine-4,6 (3H, 5H)-diones期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Photocycloaddition of 6-chloro-1,3-dimethyluracil to alkenes: synthesis of 1,2-dihydrocyclobuta[ $d$ ]pyrimidine-4,6 (3H, 5H)-diones

Authors:	Chikara Kaneko Naoyuki Shimomura

Affiliation:	Faculty of Pharmaceutical Sciences, Kanazawa University, Takara-machi, Kanazawa 920 Japan

Abstract:	The acetone-sensitized photocycloaddition of 6-chloro-1,3-dimethyluracil to alkenes affords directly 1,2-dihydrocyclobuta[ $d$ ]pyrimidine-4,6 (3H, 5H)-diones $via$ 1-chloro-2,4-dimethyl-2,4-diazabichyclo[4.2.0]octa-3,5-diones.

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