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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C07C405/0083
which is only ortho or peri condensed, e.g. carbacyclins
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C07C405/0083

Treprostinil prodrugs
11634443 · 2023-04-25 · ·

Provided are novel prodrugs of treprostinil, as well as methods of making and methods of using these prodrugs.

TREPROSTINIL PRODRUGS
20210054009 · 2021-02-25 · ·

Provided are novel prodrugs of treprostinil, as well as methods of making and methods of using these prodrugs.

Method for preparing treprostinil and intermediate therefor
10800737 · 2020-10-13 · ·

The present invention relates to a cost-effective and efficient method for preparing treprostinil with high purity, and an intermediate therefor.

Crystals of intermediate for benzindene prostaglandins and methods for preparation thereof
10787416 · 2020-09-29 · ·

Stable crystalline Form I and Form II of compound (I) and methods for preparation thereof are provided, which present advantages in storage, formulation, shipment and handling for commercial considerations.

TREPROSTINIL PRODRUGS
20240051979 · 2024-02-15 · ·

Provided are novel prodrugs of treprostinil, as well as methods of making and methods of using these prodrugs.

METHOD FOR PREPARING TREPROSTINIL AND INTERMEDIATE THEREFOR
20190119205 · 2019-04-25 · ·

The present invention relates to a cost-effective and efficient method for preparing treprostinil with high purity, and an intermediate therefor.

Processes for preparing cyclopenta[b]naphthalenol derivatives and intermediates thereof
10106499 · 2018-10-23 · ·

Novel processes for preparing cyclopenta[b]naphthalenol derivatives of Formula 1 ##STR00001##
which are useful for the synthesis of corresponding benzindene prostaglandins are provided. The present invention also relates to novel intermediates prepared from the processes.