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(S)-(+)-2,3,7,7A-TETRAHYDRO-7A-METHYL-1H

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Origin: China

Cas No: 17553-86-5

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Product Description

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CAS No.: 17553-86-5 Formula: C10H12O2 Molecular Weight: 164.20100

Description

An intermediate in the Indenedione preparation.

Basic Info

Chemical Name	(S)-(+)-2,3,7,7A-TETRAHYDRO-7A-METHYL-1H
Synonyms	(S)-(+)-2,3,7,7a-Tetrahydro-7a-methyl-1H-indene-1,5(6H)-dione; (7aS)-2,3,7,7a-Tetrahydro-7a-Methyl-1H-indene-1,5(6H)-dione; (7aS)-7a-methyl-2,3,7,7a-tetrahydro-1H-indene-1,5-(6H)-dione; Hajos-Parrish ketone; (S)-(+)-2,3,7,7a-Ttetrahydro-7a-methyl-1H-indene-1,5(6H)-dione; Parrish ketone; (S)-(+)-Hajos-Parrish Ketone; (S)-(+)-5,6,7,8-Tetrahydro-8-Methylindan-1,5-dione; (S)-(+)-2,3,7,7ALPHA-TETRAHYDRO-7ALPHA-METHYL-1H-INDENE-1,5(6H)-DIONE;
CAS No.	17553-86-5
Molecular Formula	C10H12O2
Molecular Weight	164.20100
PSA	34.14000
LogP	1.64490

Properties

Appearance & Physical State	Solid white (ivory) / yellow crystalline powder
Density	1.13 g/cm3
Boiling Point	310.6ºC at 760 mmHg
Melting Point	65-66 °C
Flash Point	116.2ºC
Refractive Index	1.525
Vapor Pressure	0.001mmHg at 25°C

Safety Info

Safety Statements	S26; S36/37
HS Code	2914190090
RIDADR	UN 2811 6
Risk Statements	R22
Hazard Codes	Xn

Synthesis Route

2-methyl-2-(3-oxobutyl)cyclopentane-1,3-dione→(S)-(+)-2,3,7,7A-TETRAHYDRO-7A-METHYL-1H+(3AS,7AS)-(+)-HEXAHYDRO-3A-HYDROXY-7A-METHYL-1,5-INDANDIONE
2-methyl-2-(3-oxobutyl)cyclopentane-1,3-dione→(S)-(+)-2,3,7,7A-TETRAHYDRO-7A-METHYL-1H+(S)-(+)-2,3,7,7A-TETRAHYDRO-7A-METHYL-1H
2-Methyl-1,3-cyclopentanedione→(S)-(+)-2,3,7,7A-TETRAHYDRO-7A-METHYL-1H+(3AS,7AS)-(+)-HEXAHYDRO-3A-HYDROXY-7A-METHYL-1,5-INDANDIONE

Precursor

(3AS,7AS)-(+)-HEXAHYDRO-3A-HYDROXY-7A-METHYL-1,5-INDANDIONE
2-methyl-2-(3-oxobutyl)cyclopentane-1,3-dione
7a-methyl-2,3,6,7-tetrahydroindene-1,5-dione
(S)-Ethyl pyrrolidine-2-carboxylate

Downstream Product

7a-(hydroxymethyl)-2,2,4a-trimethyl-3,4,5,7b-tetrahydro-1H-cyclobuta[e]indene-2a,5-diol

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