A study on the Ullmann Condensation Reaction of 4-chloro-1,8-naphthalic anhydride with N, N-dimethylformamide
β Scribed by Qian Xuhong; Prof. Zhu Zhenghua; Chen Kongchang
- Book ID
- 105353998
- Publisher
- John Wiley and Sons
- Year
- 1992
- Tongue
- English
- Weight
- 345 KB
- Volume
- 334
- Category
- Article
- ISSN
- 1615-4150
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π SIMILAR VOLUMES
Treatment of 4-chloro-5H-1,2,3-dithiazol-5-one with primary and secondary alkylamines (>2 equiv.) in CH 2 Cl 2 at rt afforded symmetrical N,N%-disubstituted ureas in moderate to good yields. Similarly, the reactions with amino acid ester hydrochlorides in the presence of Et 3 N (>3 equiv.) under the
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