Patent classifications
C
CHEMISTRY; METALLURGY
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C07
ORGANIC CHEMISTRY
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C07C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
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405/00
Compounds containing a five-membered ring having two side-chains in ortho position to each other, and having oxygen atoms directly attached to the ring in ortho position to one of the side-chains, one side-chain containing, not directly attached to the ring, a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, and the other side-chain having oxygen atoms attached in gamma-position to the ring, e.g. prostaglandins; ; Analogues or derivatives thereof
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C07C405/005
Analogues or derivatives having the five membered ring replaced by other rings
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C07C405/0075
having the side-chains or their analogues or derivatives attached to a condensed ring system
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C07C405/0075

Process to prepare treprostinil, the active ingredient in remodulin®
10322099 · 2019-06-18 · ·

This present invention relates to an improved process to prepare prostacyclin derivatives. One embodiment provides for an improved process to convert benzindene triol to treprostinil via salts of treprostinil and to purify treprostinil.

PROCESS TO PREPARE TREPROSTINIL, THE ACTIVE INGREDIENT IN REMODULIN®
20170181990 · 2017-06-29 · ·

This present invention relates to an improved process to prepare prostacyclin derivatives. One embodiment provides for an improved process to convert benzindene triol to treprostinil via salts of treprostinil and to purify treprostinil.

PROCESS TO PREPARE TREPROSTINIL, THE ACTIVE INGREDIENT IN REMODULIN®
20170144957 · 2017-05-25 · ·

This present invention relates to an improved process to prepare prostacyclin derivatives. One embodiment provides for an improved process to convert benzindene triol to treprostinil via salts of treprostinil and to purify treprostinil.

PROCESS TO PREPARE TREPROSTINIL, THE ACTIVE INGREDIENT IN REMODULIN®
20170144958 · 2017-05-25 · ·

This present invention relates to an improved process to prepare prostacyclin derivatives. One embodiment provides for an improved process to convert benzindene triol to treprostinil via salts of treprostinil and to purify treprostinil.

Process to prepare treprostinil, the active ingredient in Remodulin®
09604901 · 2017-03-28 · ·

This present invention relates to an improved process to prepare prostacyclin derivatives. One embodiment provides for an improved process to convert benzindene triol to treprostinil via salts of treprostinil and to purify treprostinil.

Process to prepare treprostinil, the active ingredient in remodulin®
09593066 · 2017-03-14 · ·

This present invention relates to an improved process to prepare prostacyclin derivatives. One embodiment provides for an improved process to convert benzindene triol to treprostinil via salts of treprostinil and to purify treprostinil.

Methods for synthesis of the tricyclic prostaglandin D.SUB.2 .metabolite methyl ester
12466791 · 2025-11-11 · ·

Methods for the synthesis of a tricyclic-prostaglandin D.sub.2 metabolite methyl ester or a pharmaceutically acceptable salt thereof.

METHODS FOR SYNTHESIS OF THE TRICYCLIC PROSTAGLANDIN D2 METABOLITE METHYL ESTER
20260062381 · 2026-03-05 ·

Methods for the synthesis of a tricyclic-prostaglandin D.sub.2 metabolite methyl ester or a pharmaceutically acceptable salt thereof.