- (4S)-4-tert-Butylaminomethyl-2-Phenyl-1,3-Dioxolanes, the By-Products in the Synthesis of (5S)-2-Phenyl-3-terf-Butyl-5-Hydroxymethyloxazolidines
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Condensation of (S)-(-)-3-tert-butylamino-1,2-propanediol with benzaldehyde in the presence of benzoic acid yielded predominantly (2S,4S)- and (2R,4S)-2-phenyl-4-tert-butylaminomethyl-1,3-dioxolanes along with the usual reaction products, (5S)-2-phenyl-3-tert-butyl-5-hydroxymethyloxazolidines.
- Bredikhin,Novikova,Bredikhina
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p. 378 - 380
(2007/10/03)
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- 1-SUBSTITUTED AMINO-3-THIENO-[3,2-c]PYRIDINYLOXY-2-PROPANOLS
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This invention provides new compounds of formula I, STR1 wherein X is sulphur or oxygen,R is alkyl of 3 to 7 carbon atoms or cycloalkyl of 3 to 7 carbon atoms, cycloalkyl of 3 to 7 carbon atoms monosubstituted by alkyl of 1 to 4 carbon atoms, α-dialkylpropinyl of 5 to 9 carbon atoms or α-dialkyl-allyl of 5 to 9 carbon atoms, hydroxyalkyl of 2 to 7 carbon atoms or phenoxyalkyl of 8 to 11 carbon atoms, the oxygen atom of the last two radicals being separated by at least two carbon atoms from the nitrogen atom to which R is bound, R 1 isI. hydrogen or alkyl of 1 to 4 carbon atoms in the 2,3,6 or 7 position, orIi. chlorine or bromine, in the 2, 3 or 7 position,Iii. nitro or--NHA wherein A is alkanoyl of 1 to 4 carbon atoms, in the 2, 3 or 7 position, orIv. fluorine, cyano or COOB, wherein B is alkyl of 1 to 4 carbon atoms, in the 2 or 3 position, andR 2 isI. hydrogen or alkyl of 1 to 4 carbon atoms in the 2, 3, 6 or 7 position,Ii. chlorine or bromine, in the 2, 3 or 7 position, orIii. fluorine in the 2 or 3 position,Useful in the treatment of heart diseases.
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