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普拉曲沙

Tier C — Watch / trade

Pralatrexate

Spectrum Pharmaceuticals Inc
Originator
2009
First approval
-
Expiry (public)
$0.05B ▲
Peak sales
化学药
Type

TargetsDHFR

BrandFolotyn、Difolta

Indications (approved)外周T细胞淋巴瘤

Regional status

US
批准上市
2009-09-24
EU
终止
China
批准上市
2020-08-26
Japan
批准上市
2017-07-03

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 45 mg
Synthetic routes & intermediates Route 1
CodeCAS No.Intermediate
PRAL-00152787-14-1methyl 4-(2-methoxy-2-oxoethyl)benzoate
PRAL-002106-96-73-bromoprop-1-yne
PRAL-003146464-90-6methyl 4-(1-methoxy-1-oxopent-4-yn-2-yl)benzoate
PRAL-00459368-16-06-(bromomethyl)pteridine-2,4-diamine
PRAL-005146464-91-7methyl 4-(2-((2,4-diaminopteridin-6-yl)methyl)-1-methoxy-1-oxopent-4-yn-2-yl)benzoate
PRAL-006146464-92-84-(2-carboxy-1-(2,4-diaminopteridin-6-yl)pent-4-yn-2-yl)benzoic acid
PRAL-007146464-93-94-(1-(2,4-diaminopteridin-6-yl)pent-4-yn-2-yl)benzoic acid
PRAL-0081118-89-4(S)-diethyl 2-aminopentanedioate hydrochloride
PRAL-009146464-94-0diethyl (4-(1-(2,4-diaminopteridin-6-yl)pent-4-yn-2-yl)benzoyl)-L-glutamate
OptimisedRoute 2Steps 7 · Total yield /
Synthetic routes & intermediates Route 2
CodeCAS No.Intermediate
PRAL-007146464-93-94-(1-(2,4-diaminopteridin-6-yl)pent-4-yn-2-yl)benzoic acid
PRAL-0101571-08-0methyl 4-formylbenzoate
PRAL-0111480887-37-3methyl 5'-methyl-3'-oxo-1',2',3',6'-tetrahydro-[1,1'-biphenyl]-4-carboxylate
PRAL-012-methyl 4-(6-oxohept-1-yn-4-yl)benzoate
PRAL-013616-38-6dimethyl carbonate
PRAL-0141480887-43-1methyl 4-(8-methoxy-6,8-dioxooct-1-yn-4-yl)benzoate
PRAL-0151480887-45-3(E)-4-(7-(hydroxyimino)-6-oxohept-1-yn-4-yl)benzoic acid
PRAL-01665540-06-9pyrimidine-2,4,5,6-tetraamine hydrochloride
PRAL-01716874-06-9di-tert-butyl L-glutamate
PRAL-0181480887-48-6di-tert-butyl (4-(1-(2,4-diaminopteridin-6-yl)pent-4-yn-2-yl)benzoyl)-L-glutamate
OptimisedRoute 3Steps 7 · Total yield /
Synthetic routes & intermediates Route 3
CodeCAS No.Intermediate
PRAL-0101571-08-0methyl 4-formylbenzoate
PRAL-0141480887-43-1methyl 4-(8-methoxy-6,8-dioxooct-1-yn-4-yl)benzoate
PRAL-019115665-93-5methyl (E)-4-(3-oxobut-1-en-1-yl)benzoate
PRAL-020108-59-8Availabledimethyl malonate
PRAL-0211480887-51-1sodium 2,4'-bis(methoxycarbonyl)-5-oxo-1,2,5,6-tetrahydro-[1,1'-biphenyl]-3-olate
PRAL-0221480887-54-45'-hydroxy-3'-oxo-1',2',3',6'-tetrahydro-[1,1'-biphenyl]-4-carboxylic acid
PRAL-0231480887-56-6methyl 5'-methoxy-3'-oxo-1',2',3',6'-tetrahydro-[1,1'-biphenyl]-4-carboxylate
PRAL-0241480887-58-8methyl 5'-chloro-3'-oxo-1',2',3',6'-tetrahydro-[1,1'-biphenyl]-4-carboxylate
PRAL-025-sodium (Z)-4-methoxy-4-oxobut-2-en-2-olate
PRAL-0261480887-60-2methyl 5'-(2-methoxy-2-oxoethyl)-3'-oxo-1',2',3',6'-tetrahydro-[1,1'-biphenyl]-4-carboxylate
PRAL-0272937-05-54-nitrobenzenesulfonohydrazide
OptimisedRoute 4Steps 2 · Total yield 1.92 g
Synthetic routes & intermediates Route 4
CodeCAS No.Intermediate
PRAL-0281452584-67-6dimethyl (4-(6,7-dioxohept-1-yn-4-yl)benzoyl)-L-glutamate
PRAL-0291452584-66-5(4-(6,7-dioxohept-1-yn-4-yl)benzoyl)-L-glutamic acid
PRAL-03052980-67-3pyrimidine-2,4,5,6-tetraamine dihydrochloride
OptimisedRoute 5Steps 6 · Total yield 39 g
Synthetic routes & intermediates Route 5
CodeCAS No.Intermediate
PRAL-00152787-14-1methyl 4-(2-methoxy-2-oxoethyl)benzoate
PRAL-002106-96-73-bromoprop-1-yne
PRAL-003146464-90-6methyl 4-(1-methoxy-1-oxopent-4-yn-2-yl)benzoate
PRAL-00459368-16-06-(bromomethyl)pteridine-2,4-diamine
PRAL-009146464-94-0diethyl (4-(1-(2,4-diaminopteridin-6-yl)pent-4-yn-2-yl)benzoyl)-L-glutamate
PRAL-0311548618-47-8methyl 4-(2-((2,4-diaminopteridin-6-yl)methyl)-1-methoxy-1-oxopent-4-yn-2-yl)benzoate hydrobromide
PRAL-032146464-92-84-(2-carboxy-1-(2,4-diaminopteridin-6-yl)pent-4-yn-2-yl)benzoic acid
PRAL-0331445586-50-4sodium 4-(1-(2,4-diaminopteridin-6-yl)pent-4-yn-2-yl)benzoate
PRAL-03416450-41-2(S)-diethyl 2-aminopentanedioate

Frequently asked questions

What are the approved indications of Pralatrexate?

Approved indications include: 外周T细胞淋巴瘤.

When does the Pralatrexate patent expire?

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

How many synthesis routes are recorded for Pralatrexate?

5 synthesis routes are recorded; the shortest is 2 steps with 1.92 g total yield. Intermediates in each route carry codes and CAS numbers.

Where can I buy Pralatrexate intermediates?

1 intermediate CAS of Pralatrexate 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 Pralatrexate 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