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HomeProduct name listPYRROLIDINYL DIAMINOPYRIMIDINE OXIDE

PYRROLIDINYL DIAMINOPYRIMIDINE OXIDE

  • CAS NO.:55921-65-8
  • Empirical Formula: C8H13N5O
  • Molecular Weight: 195.22
  • MDL number: MFCD22041981
  • EINECS: 618-347-7
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-08-02 16:47:38
PYRROLIDINYL DIAMINOPYRIMIDINE OXIDE Structural

What is PYRROLIDINYL DIAMINOPYRIMIDINE OXIDE?

The Uses of PYRROLIDINYL DIAMINOPYRIMIDINE OXIDE

Pyrrolidinyl Diaminopyrimidine Oxide is a hair growth stimulant that can be used to treat hair loss. It can also be used in cosmetics to invent a dermocosmetic composition having a whitening or dark circle removal or anti-glare effect by containing a pyrrolidinyl diaminopyrimidine oxide compound as an active ingredient.

Synthesis

Pyrrolidinyl Diaminopyrimidine Oxide is prepared by the reaction of pyrrolidine and 2,6-diamino-4-chloro-pyrimidine N-oxide. The steps are as follows:
Pyrrolidine (7.47 g, 0.105 mol) and 2,6-diamino-4-chloropyrimidine N-oxide (16 g, 0.1 mol) were added to 100 mL ethanol solution, 10% NaOH (0.11 mol) was added dropwise under stirring, and then the reaction was carried out at 80 °C for 120 min. The progress of the reaction was monitored by high performance liquid chromatography. After the reaction is completed, it is cooled to below 5°C, the solvent is removed by filtration, the obtained solid product is washed with water, and recrystallized with hot water to obtain 2,6-diamino-4-pyrrolidinopyrimidine N-oxide as a colorless crystalline solid. Yield 92% (17.96 g), white crystalline powder, mp 276-278°C. IR spectrum (neat), νmax, cm-1: 1195 (C-N), 1346 (C-C), 1463 (N-O), 1613 (C=N), 1651 (C=C), 2856 (C-H), 3265 (C-H), 3298 (O-H), 3428 (N-H). 1H NMR spectrum (500 MHz, DMSO), δ, ppm: 1.87 s (4H, CH2), 3.25 s (4H, N-CH2), 5.08 s (1H, Ar-H), 6.78 s (4H, NH2). 13C NMR spectrum (101 MHz, DMSO), δC, ppm: 26.81, 48.05, 74.81, 153.85, 154.47, 154.60.
Pyrrolidinyl Diaminopyrimidine Oxide synthesis

Properties of PYRROLIDINYL DIAMINOPYRIMIDINE OXIDE

Melting point: 278℃ (DEC.)
Boiling point: 549.3±60.0 °C(Predicted)
Density  1.60
storage temp.  2-8°C(protect from light)
pka 4.89±0.10(Predicted)

Safety information for PYRROLIDINYL DIAMINOPYRIMIDINE OXIDE

Signal word Danger
Pictogram(s)
ghs
Corrosion
Corrosives
GHS05
GHS Hazard Statements H314:Skin corrosion/irritation
Precautionary Statement Codes P280:Wear protective gloves/protective clothing/eye protection/face protection.
P310:Immediately call a POISON CENTER or doctor/physician.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for PYRROLIDINYL DIAMINOPYRIMIDINE OXIDE

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