이론

한글명:이론

카스 번호79-69-6

상품명:IRONE

CBNumberCB9184594

분자식C14H22O

포뮬러 무게206.32

동의어(한글)

이론

5-메틸-알파-아이오논

화학적 성질

녹는점	<25 °C
끓는 점	285.19°C (rough estimate)
밀도	0.934 g/mL at 20 °C(lit.)
증기압	0.4Pa at 20℃
FEMA	2597 \| ALPHA-IRONE
굴절률	n20/D 1.492
물리적 상태	액체
냄새	디프로필렌 글리콜 중 10.00%. 아이리스 플로럴 베리 바이올렛 우디 파우더리
?? ??	꽃향기
Merck	13,5111
JECFA Number	403
BRN	1343498
LogP	3.8-4 at 35℃ and pH7
EPA	3-Buten-2-one, 4-(2,5,6,6-tetramethyl-2-cyclohexen-1-yl)- (79-69-6)

위험 및 안전 성명

그림문자(GHS)

개요
α-Irone has a characteristic orris and violet-like odor. The commercially prepared product corresponds generally to the α-isomer.
화학적 성질
Yellowish liquid; Soluble in alcohol. A mixture of three isomers (α-, βand γ-irone).
출처
Reported found in orris root, raspberry and flowers of Pittosporum sp
용도
Perfumery, violet odor. The α isomer is also used as a flavoring agent.
제조 방법
By intramolecular thermal H-ene reaction of an allysilane.
정의
ChEBI: A methyl ketone that is alpha-ionone in which a hydrogen at position 5 of the cyclohex-2-en-1-yl ring is substituted by a methyl group.
일반 설명
Irone is a bioactive compound that is produced by an endophytic fungus in the rhizomes of Iris germanica.
Synthesis
Alpha-n-Methy lionone is synthesized by condensation of Methylethyl ketone with Citral, and cyclization of the resulting Pseudomethylionone. Cyclization may be carried out with Boron trifluoride or other agent.
Purification Methods
If large amounts are available, then fractionate through a Podbielniak column (p 10) or an efficient spinning band column, but small amounts are distilled using a Kügelrohr apparatus. The 4-phenylsemicarbazone has m 174-175o (165-165.5o). [IR: Seidel & Ruzicka Helv Chim Acta 35 1826 1952, Naves Helv Chim Acta 31 1280 1948, Lecomte & Naves J Chim Phys 53 462 1956, Beilstein 7 IV 378.]