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HomeProduct name listMETICRANE

METICRANE

Synonym(s):6-Methyl-1-thia-1,2,3,4-tetrahydronaphthalene-7-sulfonamide 1,1-dioxide

  • CAS NO.:1084-65-7
  • Empirical Formula: C10H13NO4S2
  • Molecular Weight: 275.34
  • MDL number: MFCD00079454
  • EINECS: 214-112-4
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-10-28 23:16:16
METICRANE Structural

What is METICRANE?

Originator

Fontilix,Diamant

The Uses of METICRANE

diuretic, antihypertensive

Background

Meticrane is a diuretic medication. It has been marketed in Japan under the trade name Arresten and is used to lower blood pressure .

Definition

ChEBI: Meticrane is a thiochromane.

Manufacturing Process

64.5 g of 6-methylthiachromane were dissolved in 500 ml of acetic acid and 250 ml of 110-volume hydrogen peroxide were added. The solution was placed on a water bath for 1.5 hour; it was then diluted with iced water, the precipitate obtained was recovered, and this was washed and dried. There were obtained 59.6 g of 6-methylthiachromane-1,1-dioxide (yield: 77.5%; melting point 79°-81°C).
52 g of this product were added to 250 ml of chlorosulfonic acid and the mixture was placed on a water bath at a temperature of 70°-75°C for 2 hours. It was allowed to cool and poured onto crushed ice; the product was extracted by means of chloroform, the extracted solutions were washed and the chloroform was evaporated. There were obtained 67 g of crude 6-methyl- 7-chloro-sulfonyl-thiachromane-1,1-dioxide (yield: 86%; melting point 158°- 161°C).
47 g of this sulfochloride were introduced into 200 ml of liquid ammonia. The mixture was left to stand at ambient temperature until the ammonia evaporated. The residue was taken up in water and the solution was acidified. The precipitate formed was centrifuged, washed with water and dried. There were obtained 30.8 g of 6-methyl-7-sulfamido-thiachromane-1,1-dioxide, recrystallized from 2-methoxy ethanol (yield: 49%; MP: 236°-237°C).

Therapeutic Function

Diuretic

Metabolism

Not Available

Properties of METICRANE

Melting point: 236-237°
Boiling point: 549.1±60.0 °C(Predicted)
Density  1.4366 (rough estimate)
refractive index  1.6800 (estimate)
storage temp.  Sealed in dry,2-8°C
solubility  ≥ 12.45mg/mL in DMSO
form  neat
pka 9.71±0.20(Predicted)
form  Solid
color  White to off-white
EPA Substance Registry System 2H-1-Benzothiopyran-7-sulfonamide, 3,4-dihydro-6-methyl-, 1,1-dioxide (1084-65-7)

Safety information for METICRANE

Computed Descriptors for METICRANE

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