rugulactone and 6(R)-(
Resolution and absolute configuration of trans (+)- and (−)-6-hydroxymethyl-2-methoxy-5,6-dihydro-2H-pyrans, substrates for total synthesis of monosaccharides
✍ Scribed by A. Konowal̵; J. Jurczak; A. Zamojski
- Publisher
- Elsevier Science
- Year
- 1976
- Tongue
- French
- Weight
- 303 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0040-4020
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📜 SIMILAR VOLUMES
## Abstract The ^1^H and ^13^C NMR spectra of __trans__‐ and __cis__‐__tert__‐butyl 2‐methoxy‐5,6‐dihydro‐2__H__‐pyran‐6‐carboxylates (1 and 2) and 6,6′‐disubstituted 2‐methoxy‐5,6‐dihydro‐2__H__‐pyrans (3‐7) have been recorded. HH and CH coupling constants are discussed in terms of the ^1^H~6~⇄^6^
## Abstract For Abstract see ChemInform Abstract in Full Text.
## Abstract Following a known procedure, a mixture of (−)‐(2__S__,3__R__)‐ and (+)‐(2__R__,3__R__)‐2,3‐epoxy‐citronellols (**5**) was prepared from (−)‐(__R__)‐linalool (**3**) __via__ epoxy alcohol **4** and then reduced to (−)‐(__R__)‐3‐hydroxy‐citronellol (**6**). Sensitized photooxygenation of