HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 13911126, compound → 3,5-Dioxohexanoic acid
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | HCID 13911126 | HCID 13911126 | — |
| Reactant | Acetic anhydride pyridine | HCID 22348678 | — |
| Product | 3,5-Dioxohexanoic acid | HCID 5459844 | — |
Reaction Steps
The cholest-5-ene from Example 4 (c) was acetylated with acetic anhydride/pyridine to yield the triacetate which was subjected to bromination with dibromodimethylhydantoin followed by dehydrobromination with trimethylphosphite according to the procedure of Example 3 (b) to yield, after chromatography on silver nitrate impregnated silica gel, 1α,3β,25-triacetoxycholesta-5,7-diene (m.p. 96°-101°; αD -24° in CHCl3 ; λmaxEt2O 262 (7,900), 271 (11,500), 282 (12,400), 294 (7,300) nm.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04670190 |
| Source dataset | uspto-grants-1987_06 |
| ORD ID | ord-1246c53baa3146d3af64381e908e31ec |
| Source note | uspto-grants-1987_06 |