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Eplerenone

Tier C — Watch / trade

Eplerenone

Pfizer Inc.
Originator
2002
First approval
-
Expiry (public)
$0.23B ▲
Peak sales
Small molecule
Type

Targets:MR

Brand:Selara, Inspra, EPLERENONEANDA, Elecor

Indications (approved):Hypertension, Heart failure

Regional status

US
Approved
2002-09-27
EU
Phase II
2007-01-01
China
Approved
2021-04-09
Japan
Approved
2007-07-31

Synthetic routes & intermediates5 routes

Originator routes × 1Optimised (non-patent) × 4Process routes × 0

Routes are ordered originator first, then optimised / process (non-patent) routes; each lists steps, overall yield and the intermediate table (code / CAS / name) — ready for supplier sourcing and RFQ. Rendered by this site from structured data; no third-party route graphics used.

OriginatorRoute 1Steps 6 · Total yield 44.3 g
EPLE-001192569-17-8EPLE-00275-86-5EPLE-003192704-52-2EPLE-004192704-54-4EPLE-005192704-56-6EPLE-006192704-58-8EPLE-00795716-70-4API · Eplerenone
CodeCAS No.Intermediate
EPLE-001192569-17-8(10R,11R,13S,17R)-11-hydroxy-10,13-dimethyl-1,3',4',8,9,10,11,12,13,14,15,16-dodecahydro-5'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-3,5'(2H)-dione
EPLE-00275-86-52-hydroxy-2-methylpropanenitrile
EPLE-003192704-52-2(2R,5'R,7'R,10'R,11'R,13'S)-18'-amino-11'-hydroxy-10',13'-dimethyl-3',5-dioxo-1',2',3',4,5,6',7',8',9',10',11',12',13',14',15',16'-hexadecahydro-3H,5'H-spiro[furan-2,17'-[4,7](metheno)cyclopenta[a]phenanthrene]-5'-carbonitrile
EPLE-004192704-54-4(2R,5'S,7'R,10'R,11'R,13'S)-11'-hydroxy-10',13'-dimethyl-3',5,18'-trioxohexadecahydro-3H-spiro[furan-2,17'-[4,7]methanocyclopenta[a]phenanthrene]-5'(2'H)-carbonitrile
EPLE-005192704-56-6methyl (7R,10R,11R,13S,17R)-11-hydroxy-10,13-dimethyl-3,5'-dioxo-1,2,3,4',5',6,7,8,9,10,11,12,13,14,15,16-hexadecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-7-carboxylate
EPLE-006192704-58-8methyl (7R,10R,11R,13S,17R)-10,13-dimethyl-11-((methylsulfonyl)oxy)-3,5'-dioxo-1,2,3,4',5',6,7,8,9,10,11,12,13,14,15,16-hexadecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-7-carboxylate
EPLE-00795716-70-4methyl (7R,10S,13S,17R)-10,13-dimethyl-3,5'-dioxo-1,2,3,4',5',6,7,8,10,12,13,14,15,16-tetradecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-7-carboxylate
OptimisedRoute 2Steps 5 · Total yield 7.45 g
EPLE-00795716-70-4EPLE-00895716-71-5EPLE-00995716-72-6EPLE-010188988-15-0EPLE-01195716-74-8API · Eplerenone
CodeCAS No.Intermediate
EPLE-00795716-70-4methyl (7R,10S,13S,17R)-10,13-dimethyl-3,5'-dioxo-1,2,3,4',5',6,7,8,10,12,13,14,15,16-tetradecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-7-carboxylate
EPLE-00895716-71-5(10R,13S,17R)-10,13-dimethyl-1,3',4',8,10,12,13,14,15,16-decahydro-5'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-3,5'(2H)-dione
EPLE-00995716-72-6(7R,10S,13S,17R)-10,13-dimethyl-3,5'-dioxo-1,2,3,4',5',6,7,8,10,12,13,14,15,16-tetradecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-7-carbonitrile
EPLE-010188988-15-0(7R,10S,13S,17R)-3-hydroxy-10,13-dimethyl-5'-oxo-1,2,3,4',5',6,7,8,10,12,13,14,15,16-tetradecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-7-carbaldehyde
EPLE-01195716-74-8(7R,10S,13S,17R)-10,13-dimethyl-3,5'-dioxo-1,2,3,4',5',6,7,8,10,12,13,14,15,16-tetradecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-7-carboxylic acid
OptimisedRoute 3Steps 7 · Total yield /
EPLE-00795716-70-4EPLE-00895716-71-5EPLE-01195716-74-8EPLE-012534-22-5EPLE-013610785-40-5EPLE-014109-53-5EPLE-015610785-41-6EPLE-016—EPLE-017610785-45-0API · Eplerenone
CodeCAS No.Intermediate
EPLE-00795716-70-4methyl (7R,10S,13S,17R)-10,13-dimethyl-3,5'-dioxo-1,2,3,4',5',6,7,8,10,12,13,14,15,16-tetradecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-7-carboxylate
EPLE-00895716-71-5(10R,13S,17R)-10,13-dimethyl-1,3',4',8,10,12,13,14,15,16-decahydro-5'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-3,5'(2H)-dione
EPLE-01195716-74-8(7R,10S,13S,17R)-10,13-dimethyl-3,5'-dioxo-1,2,3,4',5',6,7,8,10,12,13,14,15,16-tetradecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-7-carboxylic acid
EPLE-012534-22-52-methylfuran
EPLE-013610785-40-5(7R,8R,10S,13S,14S,17R)-10,13-dimethyl-7-(5-methylfuran-2-yl)-1,3',4',6,7,8,10,12,13,14,15,16-dodecahydro-5'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-3,5'(2H)-dione
EPLE-014109-53-52-methyl-1-(vinyloxy)propane
EPLE-015610785-41-6(7R,8R,10S,13S,14S,17R)-10,13-dimethyl-7-((E)-4-oxopent-2-enoyl)-1,3',4',6,7,8,10,12,13,14,15,16-dodecahydro-5'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-3,5'(2H)-dione
EPLE-016-(7R,8R,10S,13S,14S,17R)-7-(2-hydroxy-2-methoxyacetyl)-10,13-dimethyl-1,3',4',6,7,8,10,12,13,14,15,16-dodecahydro-5'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-3,5'(2H)-dione
EPLE-017610785-45-0(1'R,2R,3a'R,7a'R,9a'S,12a'S,12b'R)-7a',9a'-dimethyl-1',3,4,6',7',7a',9',9a',11',12',12a',12b'-dodecahydro-2'H,5H-spiro[furan-2,10'-[1,3a]methanobenzo[b]indeno[5,4-d]oxepine]-2',5,5'(4'H)-trione
OptimisedRoute 4Steps 5 · Total yield /
EPLE-001192569-17-8EPLE-00895716-71-5EPLE-017610785-45-0EPLE-018209253-91-8EPLE-0191263102-65-3EPLE-020115464-59-0EPLE-0211263102-67-5API · Eplerenone
CodeCAS No.Intermediate
EPLE-001192569-17-8(10R,11R,13S,17R)-11-hydroxy-10,13-dimethyl-1,3',4',8,9,10,11,12,13,14,15,16-dodecahydro-5'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-3,5'(2H)-dione
EPLE-00895716-71-5(10R,13S,17R)-10,13-dimethyl-1,3',4',8,10,12,13,14,15,16-decahydro-5'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-3,5'(2H)-dione
EPLE-017610785-45-0(1'R,2R,3a'R,7a'R,9a'S,12a'S,12b'R)-7a',9a'-dimethyl-1',3,4,6',7',7a',9',9a',11',12',12a',12b'-dodecahydro-2'H,5H-spiro[furan-2,10'-[1,3a]methanobenzo[b]indeno[5,4-d]oxepine]-2',5,5'(4'H)-trione
EPLE-018209253-91-8(10R,11R,13S,17R)-10,13-dimethyl-3,5'-dioxo-1,2,3,4',5',8,9,10,11,12,13,14,15,16-tetradecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-11-yl methanesulfonate
EPLE-0191263102-65-3(1'R,2R,3a'R,7a'R,9a'S)-7a',9a'-dimethyl-1',3,4,6',7',7a',9',9a',11',12',12a',12b'-dodecahydro-2'H,5H-spiro[furan-2,10'-[1,3a]methanobenzo[b]indeno[5,4-d]oxepine]-5,5'(4'H)-dione
EPLE-020115464-59-03-methyl-3-(trifluoromethyl)dioxirane
EPLE-0211263102-67-5(1'R,2R,2'S,3a'R,7a'R,9a'S)-2'-hydroxy-7a',9a'-dimethyl-1',3,4,6',7',7a',9',9a',11',12',12a',12b'-dodecahydro-2'H,5H-spiro[furan-2,10'-[1,3a]methanobenzo[b]indeno[5,4-d]oxepine]-5,5'(4'H)-dione
OptimisedRoute 5Steps 6 · Total yield 3.06 g
EPLE-001192569-17-8EPLE-005192704-56-6EPLE-006192704-58-8EPLE-00795716-70-4EPLE-0221398078-03-9EPLE-023209253-72-5API · Eplerenone
CodeCAS No.Intermediate
EPLE-001192569-17-8(10R,11R,13S,17R)-11-hydroxy-10,13-dimethyl-1,3',4',8,9,10,11,12,13,14,15,16-dodecahydro-5'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-3,5'(2H)-dione
EPLE-005192704-56-6methyl (7R,10R,11R,13S,17R)-11-hydroxy-10,13-dimethyl-3,5'-dioxo-1,2,3,4',5',6,7,8,9,10,11,12,13,14,15,16-hexadecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-7-carboxylate
EPLE-006192704-58-8methyl (7R,10R,11R,13S,17R)-10,13-dimethyl-11-((methylsulfonyl)oxy)-3,5'-dioxo-1,2,3,4',5',6,7,8,9,10,11,12,13,14,15,16-hexadecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-7-carboxylate
EPLE-00795716-70-4methyl (7R,10S,13S,17R)-10,13-dimethyl-3,5'-dioxo-1,2,3,4',5',6,7,8,10,12,13,14,15,16-tetradecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-7-carboxylate
EPLE-0221398078-03-9(7R,8R,9S,10R,11R,13S,14S,17R)-11-hydroxy-10,13-dimethyl-7-(nitromethyl)-1,3',4',6,7,8,9,10,11,12,13,14,15,16-tetradecahydro-5'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-3,5'(2H)-dione
EPLE-023209253-72-5(7R,8S,9S,10R,11R,13S,14S,17R)-11-hydroxy-10,13-dimethyl-3,5'-dioxo-1,2,3,4',5',6,7,8,9,10,11,12,13,14,15,16-hexadecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-7-carboxylic acid

Frequently asked questions

What are the approved indications of Eplerenone?

Approved indications include: Hypertension, Heart failure.

When does the Eplerenone patent expire?

No public expiry year is available for Eplerenone yet; this page updates once verified.

How many synthesis routes are recorded for Eplerenone?

5 synthesis routes are recorded; the shortest is 5 steps with 7.45 g total yield. Intermediates in each route carry codes and CAS numbers.

Where can I buy Eplerenone intermediates?

All intermediates in Eplerenone routes have CAS profiles — you can submit an RFQ per CAS and it enters the Unibest matching pool.

How do I get a quote for Eplerenone intermediates?

Open the CAS profile of the target intermediate from this page, or submit an RFQ directly — the CAS enters the matching flow automatically and the supply network responds with quotes.

Source: cross-verified data (structured fields only) · 2026-10-04