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A12271 delta-Valerolactam, 98%

CAS Number
675-20-7
Synonyms
2-Piperidone

Stock No. Size Price ($) Quantity Availability
A12271-14 25g 57.10
A12271-22 100g 188.00
A12271-36 500g 837.00
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delta-Valerolactam, 98%

MDL
MFCD00006037
EINECS
211-622-9

Chemical Properties

Formula
C5H9NO
Formula Weight
99.13
Melting point
35-39°
Boiling Point
255-257°
Flash Point
147°(296°F)
Storage & Sensitivity
Hygroscopic. Ambient temperatures.
Solubility
Soluble in water.

Applications

delta-Valerolactam is the starting material for a new route to hexahydrojulolidines, using intramolecular 1,4-cycloaddition. It is used as an intermediate in the preparation of other chemicals.

Notes

Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Keep away from strong oxidizing agents.

Literature References

Naoki Toyooka; Yasuko Yoshida; Yasuhito Yotsui and Takefumi Momose. 2-Piperidone Type of Chiral Building Block for 3-Piperidinol Alkaloid Synthesis. J. Org. Chem. 1999, 64 (13), 4914-4919.

Tetsuji Kametani; Terumi Higa; Masuo Koizumi; Masataka Ihara; Keiichiro Fukumoto. Iminoketene cycloaddition. 2. Total syntheses of arborine, glycosminine, and rutecarpine by condensation of iminoketene with amides. J. Am. Chem. Soc. 1977, 99 (7), 2306-2309.

Starting material for a new route to hexahydrojulolidines, using intramolecular 1,4-cycloaddition: J. Org. Chem., 58, 5041 (1993).

For reaction as a heterodienophile in cycloaddition with Danishefsky's diene, see: Tris(6,6,7,7,8,8,8-heptafluoro-2,2-dimethyl-3,5-octanedionato)­europium(III), 33541.

GHS Hazard and Precautionary Statements

Hazard Statements: H319-H335

Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P264b-P271-P280i-P304+P340-P305+P351+P338-P312-P337+P313-P501c

Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear eye/face protection. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. If eye irritation persists: Get medical advice/attention. Dispose of contents/ container to an approved waste disposal plant

Other References

Beilstein
106434
Harmonized Tariff Code
2933.79
TSCA
Yes
RTECS
TO0110000

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