Intermediate compounds are described herein and which are used to manufacture a crystalline compound 1-cyano-2-(4-cyclopropyl-benzyl)-4-(β-D-glucopyranos-1-yl)-benzene L-proline monohydrate.

Intermediate compounds are described herein and which are used to manufacture a crystalline compound 1-cyano-2-(4-cyclopropyl-benzyl)-4-(β-D-glucopyranos-1-yl)-benzene L-proline monohydrate.

Suggested is fragrance composition comprising or consisting of a selection of specific nitriles showing improved stability against decomposition and discoloration.

A fluorine-containing ether compound represented by a formula (1) shown below.

R.sup.1—(O(CH.sub.2).sub.a).sub.b-[A]-[B]—O—CH.sub.2—R.sup.2—CH.sub.2—R.sup.3  (1)

(In the formula (1), R.sup.1 is an alkyl group which may have a substituent, or an organic group having at least one double bond or triple bond. Further, a represents an integer of 2 to 4, and b is 0 or 1. [A] is represented by a formula (2): —(OCH.sub.2CH(OH)CH.sub.2).sub.c— (wherein c is 1 or 2). [B] is represented by a formula (3): —(O(CH.sub.2).sub.eCH(OH)CH.sub.2).sub.d— (wherein d is 0 or 1, and e represents an integer of 2 to 4). However, the sum of c in the formula (2) and d in the formula (3) is 2. R.sup.2 is a perfluoropolyether chain. R.sup.3 is represented by a formula (4): —(OCH.sub.2CH(OH)CH.sub.2).sub.2—O—CH.sub.2(CH.sub.2).sub.fOH (wherein f represents an integer of 2 to 5).

The present specification relates to a compound represented by Chemical Formula 1, and an organic light emitting device including the same.

The present specification relates to a compound represented by Chemical Formula 1, and an organic light emitting device including the same.

A compound is represented by a formula (20) below. In the formula (20), a least one pair of a pair of X.sub.21 and X.sub.22, a pair of X.sub.22 and X.sub.23 and a pair of X.sub.23 and X.sub.24 are carbon atoms to be bonded to the structure represented by the formula (20a), ##STR00001##

A compound is represented by a formula (20) below. In the formula (20), a least one pair of a pair of X.sub.21 and X.sub.22, a pair of X.sub.22 and X.sub.23 and a pair of X.sub.23 and X.sub.24 are carbon atoms to be bonded to the structure represented by the formula (20a), ##STR00001##

A process for preparing a nitrated compound, including the step of reacting a compound (A) including at least one substituted or unsubstituted aromatic or heteroaromatic ring, wherein the heteroaromatic ring includes at least one heteroatom selected from the group consisting of oxygen, sulfur, phosphor, selenium and nitrogen, with a compound of formula (I) ##STR00001##
wherein Y is selected from the group consisting of hydrogen and nitro.

A process for preparing a nitrated compound, including the step of reacting a compound (A) including at least one substituted or unsubstituted aromatic or heteroaromatic ring, wherein the heteroaromatic ring includes at least one heteroatom selected from the group consisting of oxygen, sulfur, phosphor, selenium and nitrogen, with a compound of formula (I) ##STR00001##
wherein Y is selected from the group consisting of hydrogen and nitro.