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US 4,055,564 AGranted
Novel prostaglandin intermediates and process for the production thereof
AssigneeSyntex (U.S.A.) Inc.
InventorsFrancisco S. Alvarez, Albert R. Van Horn
Life of this patent
Estimating the term…
Abstract
Novel prostaglandin intermediates and process for the production thereof. Compounds, and process for the production thereof, useful in the production of (dl)-[1.alpha.-hydroxy-3.beta.-(3S-tetrahydropyranyloxy-trans-1-octenyl)-4 .alpha.-tetrahydropyranyloxy-cyclopent-1.alpha.-yl] acetaldehyde hemiacetal and [1.alpha.-hydroxy-3.beta.-(3S-tetrahydropyranyloxy-trans-1-octenyl)-4.alph a.-tetrahydropyranyloxycyclopent-1.alpha.-yl] acetaldehyde hemiacetal.
Claims9
A compound selected from the group consisting of
- (dl)-2.alpha.-(2-acetoxyethyl)-3.beta.-(3S-tetrahydropyranyloxy-trans-1-oct enyl)-4.alpha.-tetrahydropyranyloxy-1-oxocyclopentane.
- (dl)-2.alpha.-(2-acetoxyethyl)-3.beta.-(3S-tetrahydropyranyloxy-trans-1-oct enyl)-4.alpha.-tetrahydropyranyloxy-1.alpha.-hydroxycyclopentane,
- (dl)-2.alpha.-(2-acetoxyethyl)-3.beta.-(3S-tetrahydropyranyloxy-trans-1-oct enyl)-4.alpha.-tetrahydropyranyloxy-1.alpha.-(2-methoxyprop-2-oxy)cyclopent ane,
- (dl)-2.alpha.-(2-acetoxyethyl)-3.beta.-(3S-tetrahydropyranyloxy-trans-1-oct enyl)-4.alpha.-tetrahydropyranyloxy-1.alpha.-dimethyl-tert.-butylsilyloxycy clopentane,
- 2.alpha.-(2-acetoxyethyl)-3.beta.-(3S-tetrahydropyranyloxy-trans-1-octenyl) -4.alpha.-tetrahydropyranyloxy-1-oxocyclopentane,
- 2.alpha.-(2-acetoxyethyl)-3.beta.-(3S-tetrahydropyranyloxy-trans-1-octenyl) -4.alpha.-tetrahydropyranyloxy-1.alpha.-hydroxycyclopentane,
- 2.alpha.-(2-acetoxyethyl)-3.beta.-(3S-tetrahydropyranyloxy-trans-1-octenyl) -4.alpha.-tetrahydropyranyloxy-1.alpha.-(2-methoxyprop-2-oxy)-cyclopentane, and
- 2.alpha.-(2-acetoxyethyl)-3.beta.-(3S-tetrahydropyranyloxy-trans-1-octenyl) -4.alpha.-tetrahydropyranyloxy-1.alpha.-dimethyl-tert.-butylsilyloxycyclope ntane.
5 more elements
Dependencies are inferred from the claim text.