C24H25O2P
376.4 g/mol
Pharmaceutical IntermediateDanger
Tert-butyl (triphenylphosphoranylidene) acetate
CAS35000-38-5EC412-880-7
Category
Pharmaceutical Intermediate
Compound Class
Organometallic
Primary Use
Pharmaceutical Intermediate
Tert-butyl (triphenylphosphoranylidene) acetate is a phosphine reagent commonly employed in organic synthesis. Its primary significance lies in its use as a Wittig reagent for the formation of carbon-carbon double bonds.
phosphine reagent for Wittig reactionpharmaceutical intermediate
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
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Referencesame scaffold
Methyl (triphenylphosphoranylidene)acetate
CAS2605-67-6
pharmaceutical intermediate
Referencesame scaffold
Triphenylcarbethoxymethylenephosphorane
CAS1099-45-2
research compound
Referencesame scaffold
1-(Triphenylphosphoranylidene)acetone
CAS1439-36-7
research compound
Referencesame scaffold
(triphenylphosphoranylidene)acetonitrile
CAS16640-68-9
pharmaceutical intermediate
Safety Reference
Danger
H301Toxic if swallowed
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H373May cause damage to organs through prolonged or repeated exposure
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Tert-butyl (triphenylphosphoranylidene) acetate (CAS 35000-38-5) is 2931.49.
HS code (international, 6-digit)
2931.49
EU CN code (8-digit)
2931 49 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
tert-butyl 2-(triphenyl-lambda5-phosphanylidene)acetate
InChIKey
ZWZUFQPXYVYAFO-UHFFFAOYSA-N
SMILES
CC(C)(C)OC(=O)C=P(C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3
Synonyms (23)
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