- Preparation of α-Substituted Acroleins via the Reaction of Aldehyde with Dihalomethane and Diethylamine
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Treatment of ozonides or aldehydes with a mixture of dihalomethane and diethylamine in dichloromethane affords α-substituted acroleins in good yields, the β-carbon of the acrolein being derived from dihalomethane; the relative rates and yields are in the following order: CH2I2 > CH2Br2 > CH2Cl2.
- Hon, Yung-Son,Chang, Feng-Jon,Lu, Ling
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- Preparation of α-substituted acroleins via the reaction of aldehyde or the corresponding ozonide with dihalomethane and diethylamine
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Treatment of aldehydes or the corresponding ozonides with a mixture of dibromomethane and diethylamine afforded α-substituted acroleins in modest to good yields. The β-carbon of the acrolein (nc, n = 1-16) derived from dibromomethane. Functional groups, s
- Hon, Yung-Son,Chang, Feng-Jon,Lu, Ling,Lin, Wei-Chi
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p. 5233 - 5246
(2007/10/03)
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- An efficient synthesis of 6-substituted aminohexahydro-1H-1,4-diazepines from 2-substituted aminopropenals
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Swern oxidation of 2-substituted amino-1,3-propanediols 20a - d, 38, 41, and 42 smoothly proceeded to give the oxidative dehydration products, 2-substituted aminopropenals 17a - d, 43, 45 and 46, respectively. Reaction of the intriguing 2-substituted amin
- Harada, Hiroshi,Morie, Toshiya,Hirokawa, Yoshimi,Kato, Shiro
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p. 2205 - 2212
(2007/10/03)
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