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Methyl (triphenylphosphoranylidene)acetate

Methyl (triphenylphosphoranylidene)acetate structure

CAS No:
2605-67-6
Formula:
C21H19O2P
Chemical Name:
Methyl (triphenylphosphoranylidene)acetate
Synonyms:
Acetic acid,2-(triphenylphosphoranylidene)-,methyl ester;Acetic acid,(triphenylphosphoranylidene)-,methyl ester;(Carbomethoxymethylene)triphenylphosphorane;Triphenyl(carbomethoxymethylene)phosphorane;[(Methoxycarbonyl)methylene]triphenylphosphorane;(Triphenylphosphoranylidene)acetic acid methyl ester;Methyl (triphenylphosphoranylidene)ethanoate;Methyl (triphenylphosphoranylidene)acetate;(Carbomethoxymethylene)triphenylphosphine;(Triphenylphosphoranylidene) methyl acetate;(2-Methoxy-2-oxoethylidene)triphenylphosphorane;Methyl triphenylphosphorylideneacetate;NSC 117573;NSC 407395;Methyl 2-(triphenylphosphoranylidene)acetate;(Carbomethoxymethylidene)triphenylphosphorane;Methyl triphenylphosphonoacetate;2-(Triphenylphosphoranylidene)acetic acid methyl ester;Methyl triphenylphosphoranylideneacetate;Methyl 2-(triphenyl-λ5-phosphaneylidene)acetate;Methyl (triphenylphosphoranyl)acetate;Methyl triphenylphosphanylideneacetate;1057663-72-5
Categories:
Pharmaceutical Intermediates > Cardiovascular Agents

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Description

white to off-white powder

Methyl (triphenylphosphoranylidene)acetate Basic Attributes

Molecular Weight：

334.35

Exact Mass：

334.35

BRN：

618430

EC Number：

220-018-4

NSC Number：

407395|117573

DSSTox ID：

DTXSID6062549

HScode：

29319090

Characteristics

PSA：

26.3

XLogP3：

Appearance：

White to off-white Powder

Density：

1.2±0.1 g/cm3

Melting Point：

164 °C @ Solvent: Ethyl acetate

Boiling Point：

479.1°C at 760 mmHg

Flash Point：

256.8±44.3 °C

Refractive Index：

1.608

Water Solubility：

H2O: insoluble

Storage Conditions：

Refrigerator (+4°C)

Safety Information

Transport codes：

NONH for all modes of transport

wgk germany：

hazard class code：

36/37/38-25

safety instructions：

22-24/25-36-26

Marks：

T,Xi

Hazard note：

Irritant

GHS Classification：

|Danger|H301 (100%): Toxic if swallowed [Danger Acute toxicity, oral]|P261, P264, P270, P271, P280, P301+P310, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 3 companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Methyl (triphenylphosphoranylidene)acetate Use and Manufacturing

Uses

(Methoxycarbonylmethylene)triphenylphosphorane is used in olefination reactions. Wittig reagent for the two-carbon homologation of aldehydes to α,β-unsaturated esters. it undergoes the Wittig reaction with aldehydes to give substituted methyl acrylates. used in an efficient synthesis of pyrazoles via reaction with methyl diazoacetate in the presence of triethylamine. It is used in the preparation of (triphenylphosphoranylidene)-ketene. The Wittig reaction we performed in class involved the reaction of 2-nitrobenzaldehyde (1) with methyl (triphenylphosphoranylidene) acetate (2) to produce methyl (2E)-3-(2-nitrophenyl) acrylate (3) with a triphenylphosphine oxide (4) side product, and took place in a silica gel matrix to ensure even product dispersion for chromatography.

Manufacturing Info：

Acetic acid, 2-(triphenylphosphoranylidene)-, methyl ester: ACTIVE

Computed Properties

Molecular Weight:334.3
XLogP3:4
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:5
Exact Mass:334.11226684
Monoisotopic Mass:334.11226684
Topological Polar Surface Area:26.3
Heavy Atom Count:24
Complexity:400
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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Methyl (triphenylphosphoranylidene)acetate

CAS No.: 2605-67-6

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Methyl (triphenylphosphoranylidene)acetate

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Guide of Methyl (triphenylphosphoranylidene)acetate

Description
Basic Attributes
Characteristics
Safety Information
Use and Manufacturing
Computed Properties
Recommended Suppliers
Latest News
Learn More Other Chemicals

Methyl (triphenylphosphoranylidene)acetate

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