- from Acid-Promoted
Rearrangements of
Allylic Ketals: (2S,3S)-3-Acetyl-8-
Carboethoxy-2,3-Dimethyl-1-Oxa-8-Azaspiro[4.5]Decane".
Organic Syntheses. 71: 63...
- (H) 580 ± 70 570 ± 180 1.0 198a H 520 ± 40 260 ± 70 0.5 198b CO2Et (5′-
carboethoxy-) 120 ± 10 290 ± 40 2.4 198c BOC 2230 ± 220 1820 ± 810 0.8 198d Ph 2000...
- N-propionyl
group was
replaced by N-methoxyacetyl or 2-furamide groups, or a
carboethoxy group is
added to the 4-position of the
piperidine ring. The
latter is...
- 2-chloroacetoacetate (1) with 2
molar equivalents of
formamide (2)
gives 4-
carboethoxy-5-methylimidazole (3).
Reduction of the
carboxylic ester (3) with sodium...
