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Type HazMat fee for 500 gram (Estimated)
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Chemical Structure| 92-32-0 Chemical Structure| 92-32-0
Chemical Structure| 92-32-0

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Pyronine is a xanthene dye shows specificity towards RNA. It is used as a bacterial and biological stain.

Synonyms: Pyronine G; C.I. 45005; Pyronine

4.5 *For Research Use Only !

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Product Details of Pyronin Y

CAS No. :92-32-0
Formula : C17H19ClN2O
M.W : 302.80
SMILES Code : CN(C1=CC2=[O+]C3=C(C=CC(N(C)C)=C3)C=C2C=C1)C.[Cl-]
Synonyms :
Pyronine G; C.I. 45005; Pyronine
MDL No. :MFCD00011725
InChI Key :INCIMLINXXICKS-UHFFFAOYSA-M
Pubchem ID :7085

Safety of Pyronin Y

GHS Pictogram:
Signal Word:Danger
Hazard Statements:H301-H315-H319-H341
Precautionary Statements:P501-P270-P202-P201-P264-P280-P302+P352-P308+P313-P337+P313-P305+P351+P338-P362+P364-P332+P313-P301+P310+P330-P405
Class:6.1
UN#:2811
Packing Group:

Application In Synthesis of Pyronin Y

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 92-32-0 ]

[ 92-32-0 ] Synthesis Path-Downstream   1~2

  • 1
  • [ 92-32-0 ]
  • [ 122194-07-4 ]
  • C24H36N3O3P [ No CAS ]
YieldReaction ConditionsOperation in experiment
In acetonitrile; at 60℃; for 0.5h;Inert atmosphere; In a screw-cap test tube to a suspension of Pyronin Y (50 mg; 0.165 mmol) in MeCN (1 mL) <strong>[122194-07-4]dimethyl N,N-diisopropylphosphoramidite</strong> (32 mg; 0.165 mmol) was added at r.t. under Ar. The reaction mixture was warmed up to 60 C. and stirred for 30 min at this temperature. After cooling down to 0 C., DDQ (37 mg; 0.165 mmol) was added, and the reaction mixture was stirred for additional 10 min at 0 C. After warming up to r.t., the reaction mixture was directly subjected to column chromatography on SiO2 (30 g; MeCN?MeCN/H2O 20:1+0.1 v/v % of TFA). Fractions containing the title compound were evaporated to dryness, dissolved in water and extracted with CH2Cl2 (3*). The combined extracts were dried with Na2SO4 and evaporated to yield 32 mg (40%) of a dark violet solid. 1H NMR (400 MHz, CD3CN): delta=1.23 (d, JH-H=6.8 Hz, 6H, NiPr2), 1.26 (d, JH-H=6.8 Hz, 6H, NiPr2), 3.29 (s, 12H, 2*NMe2), 3.44-3.60 (m, 2H, NiPr2), 3.72 (d, JH-P=11.5 Hz, 3H, OMe), 6.74-6.77 (m, 2Har), 7.15 (dd, JH-H=9.9 and 2.7 Hz, 2Har), 8.89 (d, JH-H=9.9 Hz, 2Har) ppm. 13C NMR (100 MHz, CD3CN, APT): delta=18.1 (+), 21.8 (+, d, JC-P=2.7 Hz), 21.9 (+, d, JC-P=2.7 Hz), 47.0 (+, m), 52.0 (+, d, JC-P=5.8 Hz), 96.2 (+), 114.7 (+), 116.0 (-, d, JC-P=9.2 Hz), 132.2 (+, d, JC-P=3.3 Hz), 156.9 (-), 157.4 (-, d, JC-P=11.7 Hz) ppm. 31P NMR (162 MHz, CD3CN): delta=20.1 ppm. MS (ESI): m/z (positive mode, rel. int., %)=444.4 (100) [M-Cl]+. HPLC: tR=13.1 min (91%), B/A=30/70-100/0 in 25 min, column 4*250 mm, 1.2 mL/min, detection at 254 nm. UV/Vis (MeCN): lambdamax (epsilon)=616 nm (52455 M-1cm-1); fluorescence (MeCN): lambdaexcit=590 nm, lambdaem=649 nm, phifl=0.39. Standard: Oxazine 4, phifl=0.63 (MeOH). UV/Vis (PBS 7.4): lambdamax (epsilon)=628 nm (46051 M-1cm-1); fluorescence (PBS 7.4): lambdaexcit=590 nm, lambdaem=664 nm, phifl=0.11. Standard: Oxazine 4, phifl=0.63 (MeOH).
  • 2
  • [ 92-32-0 ]
  • [ 122194-07-4 ]
  • C2F3O2(1-)*C24H35N3O3P(1+) [ No CAS ]
 

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