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Tiamenidine (BAN, USAN, INN, also known as thiamenidine, Hoe 440) is a imidazoline compound that shares many of the pharmacological properties of clonidine. It acts as a cetrally-acting α1 and α1 adrenergic receptor antagonist (with IC50 4.85μM and 0.0091μM, respectively).[2] In hypertensive volunteers, like clonidine, it significantly increased sinus node recovery time and lowered cardiac output.[3] It was marketed (as tiamenidine hydrochloride) by Sanofi-Aventis[4] under the brand name Sundralen[5] for the management of essential hypertension.[6]
Synthesis
Tiamenidine synthesis:
[7]
Reaction of thiourea 1 with methyl iodide gives the corresponding S-methyl analogue (2), followed by heating with ethylenediamine, completes the synthesis of tiamenidine (3).
See also
References
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| α1 |
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- Antagonists
- Abanoquil
- Adimolol
- Ajmalicine
- Alfuzosin
- Amosulalol
- Anisodamine
- Arotinolol
- Atiprosin
- Atypical antipsychotics (e.g., clozapine, olanzapine, quetiapine, risperidone)
- Benoxathian
- Buflomedil
- Bunazosin
- Carvedilol
- Corynanthine
- Dapiprazole
- Domesticine
- Doxazosin
- Ergolines (e.g., ergotamine, dihydroergotamine, lisuride, terguride)
- Etoperidone
- Eugenodilol
- Fenspiride
- Hydroxyzine
- Indoramin
- Ketanserin
- L-765,314
- Labetalol
- mCPP
- Mepiprazole
- Metazosin
- Monatepil
- Moxisylyte
- Naftopidil
- Nantenine
- Nefazodone
- Neldazosin
- Niaprazine
- Nicergoline
- Niguldipine
- Pardoprunox
- Pelanserin
- Phendioxan
- Phenoxybenzamine
- Phentolamine
- Piperoxan
- Prazosin
- Quinazosin
- Ritanserin
- Silodosin
- Spiperone
- Talipexole
- Tamsulosin
- Terazosin
- Tiodazosin
- Tolazoline
- Trazodone
- Tetracyclic antidepressants (e.g., amoxapine, maprotiline, mianserin)
- Tricyclic antidepressants (e.g., amitriptyline, clomipramine, doxepin, imipramine, trimipramine)
- Trimazosin
- Typical antipsychotics (e.g., chlorpromazine, fluphenazine, loxapine, thioridazine)
- Urapidil
- WB-4101
- Zolertine
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| α2 |
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- Antagonists
- 1-PP
- Adimolol
- Aptazapine
- Atipamezole
- Atypical antipsychotics (e.g., asenapine, clozapine, lurasidone, paliperidone, quetiapine, risperidone, zotepine)
- Azapirones (e.g., buspirone, tandospirone)
- BRL-44408
- Buflomedil
- Cirazoline
- Efaroxan
- Esmirtazapine
- Fenmetozole
- Fluparoxan
- Idazoxan
- mCPP
- Mianserin
- Mirtazapine
- NAN-190
- Olanzapine
- Pardoprunox
- Phentolamine
- Phenoxybenzamine
- Piperoxan
- Piribedil
- Rauwolscine
- Rotigotine
- SB-269970
- Setiptiline
- Spiroxatrine
- Sunepitron
- Tolazoline
- Typical antipsychotics (e.g., chlorpromazine, fluphenazine, loxapine, thioridazine)
- Yohimbine
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| β |
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| NET |
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- Others
- Antihistamines (e.g., brompheniramine, chlorphenamine, pheniramine, tripelennamine)
- Arylcyclohexylamines (e.g., ketamine, phencyclidine)
- CP-39,332
- EXP-561
- Fezolamine
- Ginkgo biloba
- Indeloxazine
- Loxapine
- Nefazodone
- Nefopam
- Opioids (e.g., methadone, pethidine (meperidine), tapentadol, tramadol, levorphanol)
- Pridefine
- Tedatioxetine
- Teniloxazine
- Tofenacin
- Tropanes (e.g., cocaine)
- Ziprasidone
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- ↑ Rippel, H.; Ruschig, H.; Linder, E.; Schorr, M.; 1973, U.S. Patent 3,758,476
