Phenyl salicylate

Phenyl salicylate[1]

Names
Preferred IUPAC name

Phenyl 2-hydroxybenzoate

Other names

Salol

Identifiers

CAS Number

* 118-55-8 Y

3D model (JSmol)

* Interactive image

ChEBI |

* CHEBI:34918 N

ChEMBL |

* ChEMBL1339216 N

ChemSpider |

* 8058 N

EC Number |

* 204-259-2

KEGG |

* C14163 N

MeSH | C026041

PubChem CID

* 8361

UNII |

* 28A37T47QO Y

InChI

* InChI=1S/C13H10O3/c14-12-9-5-4-8-11(12)13(15)16-10-6-2-1-3-7-10/h1-9,14H N

Key: ZQBAKBUEJOMQEX-UHFFFAOYSA-N N

* InChI=1/C13H10O3/c14-12-9-5-4-8-11(12)13(15)16-10-6-2-1-3-7-10/h1-9,14H

Key: ZQBAKBUEJOMQEX-UHFFFAOYAI

SMILES

* O=C(Oc2ccccc2)c1c(O)cccc1

Properties

Chemical formula

| C13H10O3
Molar mass | 214.22 g/mol
Appearance  | White solid
Density | 1.25 g/cm3
Melting point |  41.5 °C (106.7 °F; 314.6 K)
Boiling point |  173 °C (343 °F; 446 K) at 12 mmHg

Solubility in water

| 1 g/6670 mL

Magnetic susceptibility (χ)

| -123.2·10−6 cm3/mol

Refractive index (nD)

| 1.615[2]
Pharmacology
1=ATC code }}  | G04BX12 (WHO)
Hazards
Flash point |  137.3[2] °C (279.1 °F; 410.4 K)

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

N verify (what is YN ?)
Infobox references

Tracking categories (test):

* SizeSet

Phenyl salicylate, or salol, is the organic compound with the formula C6H5O2C6H4OH. It is a white solid. It is occasionally used in sunscreens and as an antiseptic.[3]

## Contents

* 1 Production and reactions
* 2 Salol reaction
* 3 Medical
* 4 History
* 5 See also
* 6 References

## Production and reactions

The title compound was synthesized first in 1883 by the Polish chemist and doctor Marceli Nencki (who didn't publish his findings) and then independently in 1885 by the German chemist Richard Seifert (de) (1861–1919) (who did publish his findings). It is synthesized by heating salicylic acid with phenol in the presence of phosphoryl chloride.[4] It also arises from heating salicylic acid:[5]

2 HOC6H4CO2H → C6H5O2C6H4OH + CO2 \+ H2O

The conversion entails dehydration and decarboxylation. Heating phenyl salicylate in turn gives xanthone.[6][3]

2 C6H5O2C6H4OH → 2 C6H5OH + O[C6H4]2CO + CO2

In this conversion, phenol is produced as well as carbon dioxide.

## Salol reaction

In the salol reaction, phenyl salicylate reacts with o-toluidine in 1,2,4-trichlorobenzene at elevated temperatures to the corresponding amide o-salicylotoluide.[7] Salicylamides are a type of drug.

## Medical

It has been used as an antiseptic[8] based on the antibacterial activity upon hydrolysis in the small intestine.[9]

It acts as a mild analgesic.[10]

## History

The Swiss physician Hermann Sahli (sometimes spelled "Saly") (1856–1933) sought a substitute for sodium salicylate, which was used as a treatment for rheumatoid arthritis but which wasn't tolerated by some patients. So Dr. Sahli asked the Polish chemist and doctor Marceli Nencki of Bern, Switzerland, if he knew of a salicylate compound that lacked sodium salicylate's side effects.[11] Nencki recommended phenyl salicylate, which he had synthesized circa 1883.[12][13] While Nencki had been investigating how phenyl salicylate behaved in the body, he hadn't published his findings.[14] Meanwhile, the German chemist Richard Seifert (de) (1861–1919), a student of the German chemist Rudolf Wilhelm Schmitt (de) (1830–1898),[15] independently synthesized phenyl salicylate in 1885.[16] In 1885, Seifert accepted a position at the Heyden chemical corporation (de) of Radebeul, Germany, which manufactured salicylic acid.[17] The United States granted to Nencki and Seifert a patent for the production of phenyl salicylate,[18] whereas Germany granted a patent for its production to Nencki and the Heyden corporation.[19] The Heyden company subsequently sold phenyl salicylate as a pharmaceutical, under the commercial name "Salol",[20] a contraction of "SALicylate of phenOL".[21] Among other applications,[22] Salol was used as an orally administered antiseptic for the small intestine, where the compound is hydrolyzed into salicylic acid and phenol.[18]

## See also

Phenyl salicylate is used in school laboratory demonstrations on how cooling rates affect crystal size in igneous rocks, and can be used to demonstrate seed crystal selectiveness.

## References

1. ↑ Merck Index, 11th Edition, 7282.
2. ↑ 2.0 2.1 ChemBK Chemical Database http://www.chembk.com/en/chem/Phenyl salicylate
3. ↑ 3.0 3.1 Boullard, Olivier; Leblanc, Henri; Besson, Bernard (2000). "Salicylic Acid". Ullmann's Encyclopedia of Industrial Chemistry. doi:10.1002/14356007.a23_477. ISBN 3527306730.
4. ↑ Gaylord, Norman G.; Kamath, P. M. (1952). "p-Chlorophenyl Salicylate". Organic Syntheses 32: 25. doi:10.15227/orgsyn.032.0025.
5. ↑ Kuriakose, G.; Nagaraju, N. (2004). "Selective Synthesis of Phenyl Salicylate (Salol) by Esterification Reaction over Solid Acid Catalysts". Journal of Molecular Catalysis A: Chemical 223 (1–2): 155–159. doi:10.1016/j.molcata.2004.03.057.
6. ↑ A. F. Holleman (1927). "Xanthone". Org. Synth. 7: 84. doi:10.15227/orgsyn.007.0084.
7. ↑ Allen, C. F. H.; VanAllan, J. (1946). "SALICYL-o-TOLUIDE". Organic Syntheses 26: 92. http://www.orgsyn.org/orgsyn/pdfs/CV3P0765.pdf. ;  Collective Volume, 3, pp. 765
8. ↑ Walter Sneader (2005). Drug discovery: a history. John Wiley and Sons. pp. 358–. ISBN 978-0-471-89980-8. https://books.google.com/books?id=mYQxRY9umjcC&pg=PA358. Retrieved 28 October 2010.
9. ↑ See US Pat. 350,012
10. ↑ Judith Barberio (4 September 2009). Nurse's Pocket Drug Guide, 2010. McGraw Hill Professional. pp. 57–. ISBN 978-0-07-162743-6. https://books.google.com/books?id=9_WZ5jxXlv8C&pg=PA57. Retrieved 28 October 2010.
11. ↑ See:
* (Staff) (29 April 1886). "Ueber des Salol" (in de). Wiener Medizinische Blätter 9 (17): 524. https://books.google.com/books?id=oWl8a4MUuSgC&pg=PA523. From column 524: "Das salicylsaure Natron ist zwar das verzüglichste Specificum … Dieser Körper, welchen N. "Salol" nannte, … " (Sodium salicylate is indeed the best remedy against acute rheumatoid arthritis; however, as is known, it's poorly tolerated by some patients who, after its use, suffer nausea, tinnitus, etc., occasionally even fainting spells. These inconveniences caused Dr. Sahli (La Semaine Médicale [The Medical Week], no. 15, 14 April 1886 ; Allgemeine medizinische Central-Zeitung [General Medical Central Journal]) to inquire of Dr. Nencki whether he knew another salicylate compound that didn't have those drawbacks. Soon thereafter he received from Nencki a communication that he had succeeded in producing a compound in which an ether (phenol) had been substituted [for one of salicylic acid's hydrogen atoms], instead of a base [i.e., metal alkali]. This substance, which Nencki named "Salol", … )
* Reprinted in: (Staff) (1886). "Salol" (in de). Pharmazeutische Zentralhalle für Deutschland 27: 219. https://babel.hathitrust.org/cgi/pt?id=mdp.39015013773059&view=1up&seq=257.
* Boymond (1886). "Sur le salol" (in fr). Bulletin Général de Thérapeutique Médicale et Chirurgicale 111: 122–124. https://babel.hathitrust.org/cgi/pt?id=mdp.39015059768666&view=1up&seq=706. From pp.122–123: "Dans une communication faite à la Société de médecine et de pharmacie de Berne, le docteur Sahli a fait ressortir les effets funestes produits sur l'estomac par un usage prolongé du salicylate de soude. Pour parer à cet inconvénient, il s'est adressé au professeur de Nencki, pour lui demander s'il n'y aurait pas possibilité de trouver une autre combinaison de l'acide salicylique. Le professeur de Nencki ayant étudié, il y a trois ans, les propriétés chimiques, physiologiques et surtout antiseptiques de salicylate de phénol ou salol, conseilla immédiatement ce produit au docteur Sahli." (In a communication [that he] made to the Berne Society of Medicine and Pharmacy, Dr. Sahli highlighted the harmful effects [that are] produced on the stomach by the prolonged use of sodium salicylate. In order to deal with this drawback, he spoke to Prof. Nencki, in order to ask him if there wasn't a possibility of finding another compound of salicylic acid. Prof. Nencki, having studied, three years ago, the chemical, physiological, and above all antiseptic properties of phenyl salicylate or salol, immediately recommended this product to Dr. Sahli.)
12. ↑ Sahli, Hermann (1886). "Ueber die therapeutische Anwendung des Salols (des salicylsauren Phenoläthers)" (in de). Correspondenz-Blatt für schweizer Aerzte (Correspondence Journal for Swiss Doctors) 16: 321–325. https://babel.hathitrust.org/cgi/pt?id=osu.32436001035177&view=1up&seq=337. This is the speech which Sahli made to the Berne Society of Medicine and Pharmacy, and in which he announced Salol and its use as a new pharmaceutical. From p. 321: "Diese Verbindung war neben mehreren verwandten zusammengesetzten Aethern von Phenolen und org. Säuren von Nencki schon vor 3 Jahren dargestellt und auf seine antiseptischen und physiologisch-chemischen Eigenschaften untersucht worden, hat aber eine practische Anwendung bisher noch nicht gefunden." (In addition to several related esters composed of phenol and organic acids, this compound was prepared 3 years ago by Nencki and was investigated for its antiseptic and physiological-chemical properties; however, [he] hadn't yet found a practical application.)
13. ↑ Levinstein, Ivan (January 1, 1887). "Notes on a few chemical substances recently introduced into the field of chemical industry". The Pharmaceutical Journal and Transactions. 3rd series 17: 527–530. https://babel.hathitrust.org/cgi/pt?id=mdp.39015068295222&view=1up&seq=533. From p. 527: "Salol was produced about three years ago by Professor Nencki, who also investigated its physiological properties."
14. ↑ However, in 1885, Nencki did publish his findings about the hydrolysis, by the body, of esters. In particular, Nencki published his findings regarding the hydrolysis of phenyl benzoate (Phenolbenzoesäureester), a compound that is chemically closely related to phenyl salicylate. See pp. 380-382 of: Nencki (1885). "Ueber die Spaltung der Säureester der Fettreihe und der aromatischen Verbindungen im Organismus und durch das Pankreas" (in de). Archiv für experimentelle Pathologie und Pharmakologie 20: 377–384. https://babel.hathitrust.org/cgi/pt?id=uc1.b3887839&view=1up&seq=389.
15. ↑ Sorms, Bernhard (2007). "Schmitt, Rudolf" (in de). Neue Deutsche Biographie. 23. Berlin, Germany: Duncker & Humblot. pp. 241–242. ISBN 978-3-428-11204-3. https://daten.digitale-sammlungen.de/0001/bsb00019558/images/index.html?seite=261. From p. 241: "Sein bekanntester Schüler war Richard Seifert (1861-1919), der Chefchemiker der Fabrik v. Heydens, der u.a. 1892 die Rezeptur für das weltbekannte Mundwasser "Odol" entwickelte." (His [Schmitt's] best known pupil was Richard Seifert (1861-1919), the chief chemist of the Heyden factory, who, among others, developed in 1892 the formula for the world-famous mouthwash "Odol".)
16. ↑ See:
* Seifert, Richard (1885). "Ueber die Einwirkung von Natriummerkaptid auf Phenylester" (in de). Journal für Praktische Chemie. 2nd series 31: 462–480. doi:10.1002/prac.18850310138. https://babel.hathitrust.org/cgi/pt?id=mdp.39015058985030&view=1up&seq=484. ; see: "VII. Einwirkung von Natriummerkaptid auf Phenylsalicylat und Phenylmethylsalicylat. Thioäthylmethylsalicylat." (VII. Action of sodium mercaptide on phenylsalicylate and phenylmethylsalicylate. Thioethylmethylsalicylate.), p. 472. From p. 472: "Zur Darstellung von Phenylsalicylat … Phosphoroxychlorid (etwas über 1/3 Molekül) hinzu." (For the preparation of phenyl salicylate, I melted 69 grams of salicylic acid (1 mole) with 48 grams of phenol (1 mole) at about 135°C and added, in small portions, 28 grams of phosphoryl chloride (somewhat over 1/3 mole).) On p. 473, Seifert said that phenyl salicylate had not been synthesized previously: "Das Phenylsalicylat ist noch nicht dargestellt worden." (Phenyl salicylate has not been prepared until now.)
* English abstract: Seifert, R. (1885). "Action of sodium mercaptide on phenyl salts". Journal of the Chemical Society 48 (1): 1057–1058. https://books.google.com/books?id=JmVFAQAAMAAJ&pg=PA1057.
17. ↑ Arevipharma, Geschichter der chemischen Fabrik von Heyden: Vergrösserung der Fabrik und Aufnahme wichtger neuer Präparate [History of the Heyden chemical factory: Expansion of the factory and addition of important new preparations]
18. ↑ 18.0 18.1 Nencki, Marrel V. ; Seifert, Richard "Production of salol" U.S. Patent no. 350,012 (filed: 22 July 1886 ; issued: 28 September 1886).
19. ↑ (Staff) (1886). "D.R.P. no. 38973 Kl. 22. M. Nencki in Bern und Dr. Fr. v. Heyden Nachfolger in Radebeul bei Dresden. Verfahren zur Darstellung der Salicylssäureester der Phenole und Naphtole, genannt "Salole"" (in de). Fortschritte der Teerfarbenfabrikation und Verwandter Industriezweige (Progress in the Fabrication of Coal Tar Dyes and Related Branches of Industry) 1: 237–239. https://babel.hathitrust.org/cgi/pt?id=uiug.30112057188424&view=1up&seq=253.
20. ↑ See:
* Arevipharma, Geschichter der chemischen Fabrik von Heyden: Vergrösserung der Fabrik und Aufnahme wichtger neuer Präparate [History of the Heyden chemical factory: Expansion of the factory and addition of important new preparations]
* Schlenk, O. (1934) (in de). Chemische Fabrik von Heyden, Aktiengesellschaft, Radebeul-Dresden, 1874-1934. Erinnerungsblatter aus 6 Jahrzehnten. Radebeul, Germany: Kupky & Dietze.
21. ↑ Moss, John (2 October 1886). "Salol: a new antiseptic". The Pharmaceutical Journal and Transactions. 3rd series 17: 273–274. https://babel.hathitrust.org/cgi/pt?id=mdp.39015068295222&view=1up&seq=279. From p. 273: " … the word salol is evidently compounded of the initial and terminal letters of the former title [i.e., salicylate of phenol]"
* Reprinted in: Moss, John (1886). "Salol: a new antiseptic". American Journal of Pharmacy 58: 552–555. https://babel.hathitrust.org/cgi/pt?id=hvd.32044081508418&view=1up&seq=782.
22. ↑ (Heyden corporation) (1887). Salol, the New Remedy for Rheumatism and Rheumatic Affections. New York City, New York, USA: W.H. Schieffelin & Co.. https://archive.org/details/101220787.nlm.nih.gov/page/n1/mode/2up.

* v
* t
* e

Urologicals, including antispasmodics (G04B)

Acidifiers|

* Ammonium chloride
* Calcium chloride

Urinary antispasmodics
(primarily antimuscarinics)|

* Darifenacin
* Desfesoterodine
* Emepronium
* Fesoterodine
* Flavoxate
* Imidafenacin
* Meladrazine
* Mirabegron
* Oxybutynin
* Propiverine
* Solifenacin
* Terodiline
* Tolterodine
* Trospium chloride

Other urologicals|

* Urea analogues: Acetohydroxamic acid
* Salicylhydroxamic acid

* Other: Collagen
* Dimethyl sulfoxide
* Magnesium hydroxide
* Pentosan polysulfate
* Phenazopyridine
* Phenyl salicylate
* Succinimide

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