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赛洛多辛

Tier C — Watch / trade

Silodosin

橘生药品工业株式会社
Originator
2006
First approval
-
Expiry (public)
$0.38B ▲
Peak sales
化学药
Type

Targets:ADRA1

Brand:Rapaflo、Urorec、优利福、Silodyx、Urief

Indications (approved):前列腺增生

Regional status

US
撤市
EU
批准上市
2010-01-29
China
批准上市
2011-08-25
Japan
批准上市
2006-01-23

Synthetic routes & intermediates5 routes

Originator routes × 1Optimised (non-patent) × 3Process routes × 1

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 18 · Total yield /
Synthetic routes & intermediates Route 1
CodeCAS No.Intermediate
SILO-001160968-91-21-(1-acetylindolin-5-yl)propan-1-one
SILO-002175837-02-21-(1-acetylindolin-5-yl)-2-bromopropan-1-one
SILO-003160968-93-41-(5-(2-bromopropyl)indolin-1-yl)ethan-1-one
SILO-004160968-94-51-(5-(2-bromopropyl)-7-nitroindolin-1-yl)ethan-1-one
SILO-005160968-95-61-(7-amino-5-(2-bromopropyl)indolin-1-yl)ethan-1-one
SILO-006160968-96-71-acetyl-5-(2-bromopropyl)indoline-7-carbonitrile
SILO-007160968-97-81-acetyl-5-(2-azidopropyl)indoline-7-carbonitrile
SILO-008175837-01-11-acetyl-5-(2-aminopropyl)indoline-7-carbonitrile
SILO-009160969-00-61-(2-bromoethoxy)-2-(2,2,2-trifluoroethoxy)benzene
SILO-010175837-07-71-acetyl-5-(2-((2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl)amino)propyl)indoline-7-carbonitrile
SILO-011161024-53-9(R)-1-acetyl-5-(2-((2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl)amino)propyl)indoline-7-carbonitrile
SILO-012160969-12-0tert-butyl (R)-(1-(1-acetyl-7-cyanoindolin-5-yl)propan-2-yl)(2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl)carbamate
SILO-013160969-20-0tert-butyl (R)-(1-(7-cyanoindolin-5-yl)propan-2-yl)(2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl)carbamate
SILO-014160969-27-7tert-butyl (R)-(1-(7-carbamoylindolin-5-yl)propan-2-yl)(2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl)carbamate
SILO-015-3-((tert-butyldimethylsilyl)oxy)propyl 4-nitrobenzenesulfonate
SILO-016160970-01-4tert-butyl (R)-(1-(1-(3-((tert-butyldimethylsilyl)oxy)propyl)-7-carbamoylindolin-5-yl)propan-2-yl)(2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl)carbamate
SILO-017160970-07-0tert-butyl (R)-(1-(7-carbamoyl-1-(3-hydroxypropyl)indolin-5-yl)propan-2-yl)(2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl)carbamate
SILO-01890-05-12-methoxyphenol
SILO-019353-83-31,1,1-trifluoro-2-iodoethane
SILO-020106854-74-41-methoxy-2-(2,2,2-trifluoroethoxy)benzene
SILO-021160968-99-02-(2,2,2-trifluoroethoxy)phenol
SILO-022106-93-4Available1,2-dibromoethane
OptimisedRoute 2Steps 7 · Total yield /
Synthetic routes & intermediates Route 2
CodeCAS No.Intermediate
SILO-01890-05-12-methoxyphenol
SILO-019353-83-31,1,1-trifluoro-2-iodoethane
SILO-020106854-74-41-methoxy-2-(2,2,2-trifluoroethoxy)benzene
SILO-021160968-99-02-(2,2,2-trifluoroethoxy)phenol
SILO-0234360-63-82-(bromomethyl)-1,3-dioxolane
SILO-0241269801-74-22-((2-(2,2,2-trifluoroethoxy)phenoxy)methyl)-1,3-dioxolane
SILO-0251269801-73-12-(2-(2,2,2-trifluoroethoxy)phenoxy)acetaldehyde
SILO-026239463-72-0(R)-3-(5-(2-aminopropyl)-7-cyanoindolin-1-yl)propyl benzoate
SILO-027885340-11-4(R)-3-(7-cyano-5-(2-((2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl)amino)propyl)indolin-1-yl)propyl benzoate
SILO-028885340-13-6(R)-1-(3-hydroxypropyl)-5-(2-((2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl)amino)propyl)indoline-7-carbonitrile
OptimisedRoute 3Steps 12 · Total yield 35 g
Synthetic routes & intermediates Route 3
CodeCAS No.Intermediate
SILO-026239463-72-0(R)-3-(5-(2-aminopropyl)-7-cyanoindolin-1-yl)propyl benzoate
SILO-027885340-11-4(R)-3-(7-cyano-5-(2-((2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl)amino)propyl)indolin-1-yl)propyl benzoate
SILO-028885340-13-6(R)-1-(3-hydroxypropyl)-5-(2-((2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl)amino)propyl)indoline-7-carbonitrile
SILO-029496-15-1indoline
SILO-030942-95-03-chloropropyl benzoate
SILO-031350797-51-23-(indolin-1-yl)propyl benzoate hydrochloride
SILO-032350797-52-33-(5-formylindolin-1-yl)propyl benzoate
SILO-03379-24-3nitroethane
SILO-0341404450-43-6(E)-3-(5-(2-nitroprop-1-en-1-yl)indolin-1-yl)propyl benzoate
SILO-035350797-54-53-(5-(2-nitropropyl)indolin-1-yl)propyl benzoate
SILO-036350797-55-63-(7-formyl-5-(2-nitropropyl)indolin-1-yl)propyl benzoate
SILO-037350797-56-73-(7-cyano-5-(2-nitropropyl)indolin-1-yl)propyl benzoate
SILO-0381338365-54-03-(5-(2-aminopropyl)-7-cyanoindolin-1-yl)propyl benzoate
SILO-039-2-(2-(2,2,2-trifluoroethoxy)phenoxy)acetyl chloride
SILO-0401404450-39-0(R)-3-(7-cyano-5-(2-(2-(2-(2,2,2-trifluoroethoxy)phenoxy)acetamido)propyl)indolin-1-yl)propyl benzoate
OptimisedRoute 4Steps 6 · Total yield 146.9 g
Synthetic routes & intermediates Route 4
CodeCAS No.Intermediate
SILO-026239463-72-0(R)-3-(5-(2-aminopropyl)-7-cyanoindolin-1-yl)propyl benzoate
SILO-027885340-11-4(R)-3-(7-cyano-5-(2-((2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl)amino)propyl)indolin-1-yl)propyl benzoate
SILO-030942-95-03-chloropropyl benzoate
SILO-041115661-82-0indoline-7-carbonitrile
SILO-0421557330-03-63-(7-cyanoindolin-1-yl)propyl benzoate
SILO-0431557330-14-9benzyl-D-alaninoyl chloride
SILO-0441557330-06-93-(5-(benzyl-D-alanyl)-7-cyanoindolin-1-yl)propyl benzoate
SILO-0451402161-30-1(R)-3-(5-(2-(benzylamino)propyl)-7-cyanoindolin-1-yl)propyl benzoate
SILO-046160969-03-92-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl methanesulfonate
ProcessRoute 5Steps 12 · Total yield 0.5 kg
Synthetic routes & intermediates Route 5
CodeCAS No.Intermediate
SILO-029496-15-1indoline
SILO-03379-24-3nitroethane
SILO-046160969-03-92-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl methanesulfonate
SILO-047627-30-53-chloropropan-1-ol
SILO-04826420-79-1((3-chloropropoxy)methyl)benzene
SILO-049459868-64-51-(3-(benzyloxy)propyl)indoline
SILO-050459868-63-41-(3-(benzyloxy)propyl)indoline-5-carbaldehyde
SILO-0511375180-28-11-(3-(benzyloxy)propyl)-7-bromoindoline-5-carbaldehyde
SILO-0521375180-30-51-(3-(benzyloxy)propyl)-5-formylindoline-7-carbonitrile
SILO-0531621480-46-31-(3-(benzyloxy)propyl)-5-(2-nitropropyl)indoline-7-carbonitrile
SILO-0541096141-50-21-(3-(benzyloxy)propyl)-5-(2-oxopropyl)indoline-7-carbonitrile
SILO-055196929-78-9(R)-2-methylpropane-2-sulfinamide
SILO-0561621480-50-9(S)-N-(1-(1-(3-(benzyloxy)propyl)-7-cyanoindolin-5-yl)propan-2-yl)-2-methylpropane-2-sulfinamide
SILO-057459868-73-6 (free)(R)-5-(2-aminopropyl)-1-(3-(benzyloxy)propyl)indoline-7-carbonitrile 2-hydroxy-2-phenylacetate
SILO-058-(R)-1-(3-(benzyloxy)propyl)-5-(2-((2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl)amino)propyl)indoline-7-carbonitrile
SILO-059175870-40-3(R)-1-(3-(benzyloxy)propyl)-5-(2-((2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl)amino)propyl)indoline-7-carboxamide

Frequently asked questions

What are the approved indications of Silodosin?

Approved indications include: 前列腺增生.

When does the Silodosin patent expire?

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

How many synthesis routes are recorded for Silodosin?

5 synthesis routes are recorded; the shortest is 6 steps with 146.9 g total yield. Intermediates in each route carry codes and CAS numbers.

Where can I buy Silodosin intermediates?

1 intermediate CAS of Silodosin are available through the Unibest supply network — see the route tables on this page and request a quote per CAS.

How do I get a quote for Silodosin 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) · 2026-09-24