JPH03206429A - Organic nonlinear optical material - Google Patents

Organic nonlinear optical material

Info

Publication number
JPH03206429A
JPH03206429A JP5538790A JP5538790A JPH03206429A JP H03206429 A JPH03206429 A JP H03206429A JP 5538790 A JP5538790 A JP 5538790A JP 5538790 A JP5538790 A JP 5538790A JP H03206429 A JPH03206429 A JP H03206429A
Authority
JP
Japan
Prior art keywords
nonlinear optical
cyano
acetyl
optical material
aminocinnamate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP5538790A
Other languages
Japanese (ja)
Inventor
Takaharu Hidaka
日高 敬治
Hiroyuki Nakatani
博之 中谷
Kazu Yamanaka
山中 計
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sekisui Chemical Co Ltd
Original Assignee
Sekisui Chemical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sekisui Chemical Co Ltd filed Critical Sekisui Chemical Co Ltd
Priority to JP5538790A priority Critical patent/JPH03206429A/en
Publication of JPH03206429A publication Critical patent/JPH03206429A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To obtain the org. nonlinear optical material which has a high nonlinear optical effect, is stable at room temp., is highly resistant to light damages and has the cut-off wavelength in a short wavelength region by forming this material of specific alpha-cyano-p-acetyl aminocinnamate. CONSTITUTION:The above-mentioned material is formed of the alpha-cyano-p-acetyl aminocinnamate expressed by formula I. In the formula, R denotes -CH2, -CH2CH3, -CH2CH2CH3 or -CH2CH(CH3)2. The alpha-cyano-p-acetyl aminocinnamate has a relatively large pi electron conjugation system and has a cyano group as an electron donative group, thereby exhibiting second harmonic wave generating SHG activity. The org. nonlinear optical material which is stable at room temp., has good crystallinity, the absorption end existing in the short wavelength region, the large SHG activity and the excellent light damage resistance is obtd. in this way.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は、光コンピューターや光通信等広範な分野で光
制御素子等として用いられる有機非線形光学材料に関す
る。
DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an organic nonlinear optical material used as a light control element in a wide range of fields such as optical computers and optical communications.

更に詳しくは、カットオフ波長が短波長領域にあり、且
つ、SHG(第2高周波発生)活性が大きく、結晶性の
良好なα−シアノーp−アセチルアミノ桂皮酸エステル
からなる有機非線形光学材料に関する。
More specifically, the present invention relates to an organic nonlinear optical material made of α-cyano p-acetylaminocinnamic acid ester, which has a cutoff wavelength in a short wavelength region, has high SHG (secondary high frequency generation) activity, and has good crystallinity.

(従来の技術) 非線形光学材料は、レーザー光の周波数交換、増幅、発
信、スイッチング等の現象を生じ、第2高調波発生(S
HG)、第3高調波発生(THG)、高速度シャッター
、光メモリー、光演算素子等への応用が可能である。
(Prior art) Nonlinear optical materials cause phenomena such as frequency exchange, amplification, transmission, and switching of laser light, and generate second harmonics (S
It can be applied to HG), third harmonic generation (THG), high-speed shutters, optical memories, optical arithmetic elements, etc.

このように、非線形光学材料は、光周波数を変換する機
能を有しているほか、電場によって屈折率が変化する特
質を生かした光スイッチ等への応用が可能であるため、
活発な研究が進められている。
In this way, nonlinear optical materials not only have the function of converting optical frequencies, but also can be applied to optical switches that take advantage of the property that the refractive index changes depending on the electric field.
Active research is underway.

従来、非線形光学材料としては、主として水溶性のKH
z PO4(KDP) 、NH4POa 、あるいは非
水溶性のL iNb03 、KNbOs 、等の無機系
の単結晶材料(誘電体結晶)が用いられてきたが、最近
は尿素やp−ニトロアニリン、2−メチル−4−ニトロ
アニリン(MNA) 、4(N,N−ジメチルア1ノ)
−4′−ニトロスチルベン(DANS)等の有機非線形
光学材料の開発が進められている。
Conventionally, water-soluble KH has mainly been used as a nonlinear optical material.
Inorganic single crystal materials (dielectric crystals) such as PO4 (KDP), NH4POa, or water-insoluble LiNb03, KNbOs have been used, but recently urea, p-nitroaniline, 2-methyl -4-nitroaniline (MNA), 4(N,N-dimethylalino)
Development of organic nonlinear optical materials such as -4'-nitrostilbene (DANS) is progressing.

ボリジアセチレンやボリ弗化ビニリデン等の高分子有機
材料についても、その非線形光学効果を利用して、制御
機能を有する導波路、光IC等への応用が検討されてい
る。
Polymeric organic materials such as boridiacetylene and polyvinylidene fluoride are also being considered for application to waveguides, optical ICs, etc. with control functions by utilizing their nonlinear optical effects.

有機非線形光学材料は、非線形性の起源が分子内π電子
であるため、光応答に対して格子振動を伴わず、従って
、無機材料に比べて応答が速く、又、非線形光学定数が
大きいものや吸収領域が変化できるもの等を合威するこ
とが可能である。しかも、材料素子化の方法も、単結晶
によるだけではなく、LB膜、蒸着方、液晶化、高分子
化等の各種の方法が考えられる。
Organic nonlinear optical materials have nonlinearity originating from intramolecular π electrons, so they do not involve lattice vibration in response to light. Therefore, they have faster response than inorganic materials, and they also have large nonlinear optical constants. It is possible to use a material whose absorption region can be changed. Moreover, the method of making the material into an element is not limited to single crystal, but various methods such as LB film, vapor deposition, liquid crystal formation, polymerization, etc. can be considered.

これら非線形光学材料の研究に関しては、例えば、「有
機非線形光学材料」加藤政雄、中西八郎監修(シー・エ
ム・シー社、1985年刊)、Nonlinear O
ptical Properties of Orga
nic MolecuIes and Crystal
s Vol.  I  及びVol.  II  D,
S.CHEMLA, J.ZYSS  [ (ACAD
EMIC PRESS. 1987年刊)等の文献に最
近の研究状況がまとめられている。
Regarding research on these nonlinear optical materials, see, for example, "Organic Nonlinear Optical Materials" supervised by Masao Kato and Hachiro Nakanishi (CMC Publishing Co., Ltd., 1985), Nonlinear O
Physical Properties of Orga
nic Molecules and Crystal
s Vol. I and Vol. II D,
S. CHEMLA, J. ZYSS [ (ACAD
EMIC PRESS. (published in 1987) summarizes the recent research status.

(発明が解決しようとする課題) ところで、非線形光学材料として要求される非線形光学
効果のうち、特に、第2高調波発生(SHG)は、波長
変換の基本技術として位置付けられており、効率よ<S
HGを起こすために有機非線形光学定数の大きい材料が
求められている。
(Problems to be Solved by the Invention) By the way, among the nonlinear optical effects required for nonlinear optical materials, second harmonic generation (SHG) in particular is positioned as a basic technology for wavelength conversion, and is highly efficient. S
Materials with large organic nonlinear optical constants are required to cause HG.

そして、先の文献に詳しく述べられているように、SH
C,活性を示すためには結晶が対称中心を持たないこと
、即ち、結晶での分子の配列に反転対称性が生じないこ
とが必要である。
And, as detailed in the previous literature, SH
C. In order to exhibit activity, it is necessary for the crystal to have no center of symmetry, that is, for the molecular arrangement in the crystal to have no inversion symmetry.

従来、公知の非線形光学無機材料は、一般に結晶性がよ
く、大きな結晶が得易いという性質があるが、純度の高
い単結晶が高価であり、潮解性を有し、しかも、有機材
料に比較して非線形光学定数が小さいという欠点がある
Conventionally known nonlinear optical inorganic materials generally have good crystallinity and are easy to obtain large crystals, but highly pure single crystals are expensive, have deliquescent properties, and are more difficult to obtain than organic materials. The disadvantage is that the nonlinear optical constant is small.

一方、非線形光学有機材料は、一般に非線形光学定数の
大きいものがあることが知られているが、室温で安定且
つ大きな有機結晶を調整することが困難である。
On the other hand, although it is generally known that some nonlinear optical organic materials have large nonlinear optical constants, it is difficult to prepare large organic crystals that are stable at room temperature.

例えば、従来知られている有機結晶の内、MNAは対称
中心を持たない結晶となるため、SHG活性を有し、第
2高調波発生効率はLiNbO.の約2000倍もある
ことが報告されている。しかし、MNAは大きな単結晶
が得られ難いため、実用的でないという欠点がある。
For example, among conventionally known organic crystals, MNA is a crystal that does not have a center of symmetry, so it has SHG activity, and the second harmonic generation efficiency is lower than that of LiNbO. It has been reported that there are about 2,000 times more. However, MNA has the disadvantage that it is not practical because it is difficult to obtain large single crystals.

又、尿素は、大きな単結晶を得易く、白色・透明で、カ
ットオフ波長も2 0 0 nmと短波長であるけれど
も、耐湿性に劣るという欠点がある。
Further, although urea is easy to obtain large single crystals, is white and transparent, and has a short cutoff wavelength of 200 nm, it has the disadvantage of poor moisture resistance.

P−ニトロアニリンやDANSは、分子レベルでは分子
分極率が非常に大きい値を示すが、結晶になると、分子
の配列に反転対称を持つに到るため、SHG活性を示さ
ないという問題がある。
P-nitroaniline and DANS exhibit a very large value of molecular polarizability at the molecular level, but when crystallized, the molecular arrangement has inversion symmetry, so there is a problem that they do not exhibit SHG activity.

本発明の目的は、前記従来技術の有する問題点を克服し
、大きな非線形光学効果を有し、室温で安定で、耐光損
傷に優れ、カットオフ波長が短波長領域にある有機非線
形光学材料を提供することにある。
An object of the present invention is to overcome the problems of the prior art and provide an organic nonlinear optical material that has a large nonlinear optical effect, is stable at room temperature, has excellent resistance to light damage, and has a cutoff wavelength in a short wavelength region. It's about doing.

本発明者等は鋭意研究した結果、スチレン化合物であっ
て、特定の置換基と構造を有するα−シアノーp−アセ
チルアミノ桂皮酸エステルが前記目的に適合することを
見出し、本発明を完戒するに到った。
As a result of intensive research, the present inventors have found that α-cyano p-acetylaminocinnamic acid ester, which is a styrene compound and has a specific substituent and structure, is suitable for the above purpose, and has completed the present invention. reached.

(課題を解決するための手段) 本発明有機非線形光学材料は、下記式(1)\ COOR (式中Rは−CH.、−CToCH3、−C}IzCH
tCHzもしくは−CHzCH (CH.) tを表す
。)で表されるα−シアノーp−アセチルアもノ桂皮酸
エステルからなるものである。
(Means for Solving the Problems) The organic nonlinear optical material of the present invention has the following formula (1)\COOR (wherein R is -CH., -CToCH3, -C}IzCH
tCHz or -CHzCH (CH.) Represents t. α-Cyano p-acetyl-A represented by ) is also composed of cinnamic acid ester.

本発明化合物の(1)式で示されるα−シアノ−p−ア
セチルアξノ桂皮酸エステルは、下記式で示されるよう
に、p−アセチルアミノアルデヒドとシアノ酢酸エステ
ルとの縮合反応により合威することができる。
The α-cyano-p-acetylaminocinnamic acid ester represented by formula (1) of the compound of the present invention is synthesized by a condensation reaction of p-acetylaminoaldehyde and cyanoacetic acid ester, as shown in the following formula. be able to.

0H \ COOR ?式中Rは一C}13、−CHzCHz、−CHzCI
l■CH.もしくは−CH!CI(CH3) zを表す
。)前記縮合反応は、例えば、メタノール等の有機溶剤
を用い、ピペリジン等の触媒の存在下に行われる。
0H \COOR? In the formula, R is 1C}13, -CHzCHz, -CHzCI
l■CH. Or -CH! CI(CH3) represents z. ) The condensation reaction is carried out, for example, using an organic solvent such as methanol in the presence of a catalyst such as piperidine.

本発明化合物は、粉末、単結晶、溶液等各種の態様で非
線形光学材料として用いることができる。
The compound of the present invention can be used as a nonlinear optical material in various forms such as powder, single crystal, and solution.

(作 用) 本発明α−シアノーP−アセチルア〔ノ桂皮酸エステル
は、その結晶が対称中心を持たないため、優れた非線形
光学効果を示し、微結晶粉末のSHG効果は尿素と同程
度である。
(Function) The α-cyano P-acetyl a[nocinnamic acid ester of the present invention] exhibits an excellent nonlinear optical effect because its crystal does not have a center of symmetry, and the SHG effect of the microcrystalline powder is comparable to that of urea. .

又、本発明α−シアノーP−アセチルア逅ノ桂皮酸エス
テルは前記式(1)から明らかなように、比較的大きな
π電子共役系を有し、電子供与基としてシアノ基を有す
ることにより、SHG活性が発現したものと思われる。
In addition, as is clear from the above formula (1), the α-cyano P-acetyl-acid cinnamic acid ester of the present invention has a relatively large π-electron conjugated system and has a cyano group as an electron donating group. It seems that activity was expressed.

本発明を有機非線形光学材料として用いる化合物は、そ
の結晶が室温で安定であり、光損傷を受け難く、又、加
工が容易であるためデバイス化も容易である。
The compound used in the present invention as an organic nonlinear optical material is stable at room temperature, is not easily damaged by light, and is easy to process, so it can be easily fabricated into a device.

(実施例) 以下、実施例を挙げて本発明を具体的に説明するが、本
発明はこれらの実施例のみに限定されるものではない。
(Examples) Hereinafter, the present invention will be specifically explained with reference to Examples, but the present invention is not limited only to these Examples.

実施例1 (α−シアノーp−アセチルアミノ桂皮酸メチルの合戒
) 2.4 5 g (1 5m mol)のp−アセチル
アミノアルデヒドと、3.0mlのシアノ酢酸メチルに
、30mlのメタノールを加えて溶液にした後、ピペリ
ジン10滴を滴下した。
Example 1 (Composition of methyl α-cyano p-acetylaminocinnamate) Add 30 ml of methanol to 2.45 g (15 mmol) of p-acetylaminoaldehyde and 3.0 ml of methyl cyanoacetate. After making a solution, 10 drops of piperidine were added dropwise.

この溶液を5時間還流した後、−20℃に冷却し、一夜
放置し、沈澱を生戒せしめた。生戒した沈澱をろ過し、
エタノール洗浄して、目的とする化合物α−シアノーp
−アセチルアミノ桂皮酸メチルをえた。
This solution was refluxed for 5 hours, then cooled to -20°C and left overnight to remove the precipitate. Filter the collected sediment,
After washing with ethanol, the target compound α-cyanop
-Methyl acetylaminocinnamate was obtained.

収量は1.77gであった。Yield was 1.77g.

(性質) 次に、生戒物の融点(m.  p. )、IR,UVを
測定した結果を以下に示す。
(Properties) Next, the results of measuring the melting point (m.p.), IR, and UV of the raw materials are shown below.

融点(m.P.):209゜C I R (K Br)    : 3360 (−Co
−NH−)、3l50〜2950 (−Clh)、 2240  (−CN)、 1720  (−Co−0−)  、 1700  (−Co−NH−)、 1595  (Ar−C=C)  [cm−’]UV吸
収(EtOH):λthax = 350  nm,λ
。.。re  =  415  nm更に、得られたα
−シアノーp−アセチルアくノ桂皮酸メチルの微粉末結
晶にNb:YAGレーザー(波長−1.064μm,出
力10mJ/パルス)を照射すると、第2次高周波が発
生(SHG)L、入射光の1/2の波長(5 3 2 
nm)の緑色光が測定できた。又、SHO効果は、尿素
と同程度であることが確認された。
Melting point (m.P.): 209° C I R (K Br): 3360 (-Co
-NH-), 3l50~2950 (-Clh), 2240 (-CN), 1720 (-Co-0-), 1700 (-Co-NH-), 1595 (Ar-C=C) [cm-'] UV absorption (EtOH): λthax = 350 nm, λ
. .. . re = 415 nm Furthermore, the obtained α
- When fine powder crystals of methyl cyanop-acetylacunocinnamate are irradiated with Nb:YAG laser (wavelength - 1.064 μm, output 10 mJ/pulse), a second high frequency wave is generated (SHG) L, 1 of the incident light. /2 wavelength (5 3 2
nm) green light could be measured. It was also confirmed that the SHO effect was comparable to that of urea.

この化合物の結晶は、室温で安定で、結晶も良好である
ことが明らかになった。
It was revealed that the crystals of this compound are stable at room temperature and have good crystallinity.

以上の事実から、この化合物が優れた非線形光学材料で
あることが判る。
From the above facts, it can be seen that this compound is an excellent nonlinear optical material.

実施例2 (α−シアノーp−アセチルアミノ桂皮酸エチルの製造
) p−アセチルアミノアルデヒド2.45g (15 m
 mol) 、シアノ酢酸エチル3,Oml及びピペリ
ジン10滴に30mlのエタノールを加えて溶液にした
後、この溶液を5時間還流する。この溶液を−20″C
に冷却し、一夜放置すると沈澱が生じる。沈澱物を濾過
し、エタノールで洗浄して目的とする化合物α−シアノ
ーp−アセチルアミノ桂皮酸エチルを得た。
Example 2 (Production of ethyl α-cyano p-acetylaminocinnamate) 2.45 g (15 m
mol), 3 Oml of ethyl cyanoacetate, and 10 drops of piperidine are mixed with 30 ml of ethanol to form a solution, and the solution is refluxed for 5 hours. This solution was heated at -20″C.
When cooled to a temperature and left overnight, a precipitate forms. The precipitate was filtered and washed with ethanol to obtain the target compound α-cyano p-acetylaminoethyl cinnamate.

収量は、2.35gであった。Yield was 2.35g.

(性質) 生戒物の融点、IR及びUVの測定結果を一括して示す
(Properties) Melting point, IR and UV measurement results of raw materials are shown at once.

融点(m.P.): 209゜C I R (K Br)    : 3350 (−CO
−NH−)、3200〜2900 (−CI!)、 2230 (−CN)、 1730 (−Co−0−)、 1700 (−Co−N}l−)、 1600 (Ar−C=C)  [cm−’]UV (
EtOH):λ... =349 .λC−tOtt 
 ””430  [ nm ]NMR(CD30D) 
  :1.47(3H.t)、2.25(3H,s)4
.45(2H.q)、7.87(2u,d)、8.10
(2H,d)、8.36(18,s)更に、得られたα
−シアノーp−アセチルアξノ桂皮酸エチルの微粉末結
晶をNd:YAGレーザー(波長=1.064μm1出
力1 0mJ/バルス)を照射すると、第2高調波が発
生(SHG)L、入射光の1/2の波長(5 3 2 
nm)の緑色光が観測できた。
Melting point (m.P.): 209° C I R (K Br): 3350 (-CO
-NH-), 3200-2900 (-CI!), 2230 (-CN), 1730 (-Co-0-), 1700 (-Co-N}l-), 1600 (Ar-C=C) [cm -']UV (
EtOH): λ. .. .. =349. λC-tOtt
""430 [nm] NMR (CD30D)
:1.47(3H.t), 2.25(3H,s)4
.. 45 (2H.q), 7.87 (2u, d), 8.10
(2H, d), 8.36 (18, s) Furthermore, the obtained α
-When fine powder crystals of p-cyano p-acetyl ξ-ethyl cinnamate are irradiated with a Nd:YAG laser (wavelength = 1.064 μm, output 10 mJ/bulse), second harmonics are generated (SHG) L, 1 of the incident light. /2 wavelength (5 3 2
nm) green light could be observed.

又、SHG効率は、尿素と同程度であった。Moreover, the SHG efficiency was comparable to that of urea.

この結晶は、室温で安定であり、結晶性に優れ、光損傷
は見られなかった。
This crystal was stable at room temperature, had excellent crystallinity, and showed no photodamage.

実施例3 (α−シアノーp−アセチルアミノ桂皮酸ノルマルプロ
ピルの製造) p−アセチルアξノアルデヒド2.45g (15mI
Ilol)、シアノ酢酸ノルマルブロピル3.0ml及
びピペリジン10滴に30mlのノルマルプロピルアル
コールを加えて溶液にした後、この溶液を5時間還流す
る。
Example 3 (Production of n-propyl α-cyano p-acetylaminocinnamate) 2.45 g of p-acetylamino aldehyde (15 mI
After adding 30 ml of n-propyl alcohol to 3.0 ml of n-propyl cyanoacetate and 10 drops of piperidine to form a solution, the solution is refluxed for 5 hours.

この溶液を−20℃に冷却し、一夜放置すると、沈澱が
生じる。沈澱物を濾過し、メタノールで洗浄して目的と
する化合物α−シアノーp−アセチルアξノ桂皮酸ノル
マルプロビルを得た。
When this solution is cooled to -20°C and left overnight, a precipitate forms. The precipitate was filtered and washed with methanol to obtain the target compound α-cyano p-acetyl-ξ-no-probil cinnamate.

収量は、2.12gであった。The yield was 2.12g.

(性質) 生戒物の融点、IR及びUVの測定結果を一括して示す
(Properties) Melting point, IR and UV measurement results of raw materials are shown at once.

融点(m.p. IR(KBr) ?:187゜C : 3350  (−CO−NH−).3200〜29
00  (−CL), 2230  (−CN), 1730  (−CO−0−), 1710  (−Co−NH−), 1600  (Ar−C=C)  [cm−’]UV 
 (EtOH):  λ■.  =350,λcu− 
。tr  ”’434  [ nm ]N M R (
. CDC13)   : 1.02(3H. t)、
1.79(2H.sextet)  、2.24(3L
s)、 4.28(2H, t)、7.69(2j{,s)、8
.01(2H,d)、8.18(IH.s)更に、得ら
れたα−シアノーp−アセチルアミノ桂皮酸ノルマルブ
ロピルの微粉末結晶をNd:YAGレーザー(波長=1
.064μm,出力lOmJ/パルス)を照射すると、
第2高調波が発生(SHG)L、入射光の1/2の波長
(532nm)の緑色光が観測できた。
Melting point (m.p. IR (KBr)?: 187°C: 3350 (-CO-NH-).3200~29
00 (-CL), 2230 (-CN), 1730 (-CO-0-), 1710 (-Co-NH-), 1600 (Ar-C=C) [cm-']UV
(EtOH): λ■. =350,λcu-
. tr”'434 [nm] N M R (
.. CDC13): 1.02 (3H.t),
1.79 (2H.sextet), 2.24 (3L
s), 4.28 (2H, t), 7.69 (2j{,s), 8
.. 01 (2H, d), 8.18 (IH.s) Furthermore, the obtained fine powder crystals of n-propyl α-cyano p-acetylaminocinnamate were treated with a Nd:YAG laser (wavelength = 1
.. 064μm, output lOmJ/pulse),
The second harmonic was generated (SHG) L, and green light with half the wavelength (532 nm) of the incident light could be observed.

又、SHG効率は、尿素と同程度であった。この結晶は
、室温で安定であり、結晶性に優れ、光損傷は見られな
かった。
Moreover, the SHG efficiency was comparable to that of urea. This crystal was stable at room temperature, had excellent crystallinity, and showed no photodamage.

実施例4 (α−シアノーp−アセチルアミノ桂皮酸イソプチルの
製造) p−アセチルアミノアルデヒド2.45g(15 m 
mol) 、シアノ酢酸イソブチル3,Oml及びピペ
リジン10滴に30mlのイソブチルアルコールを加え
て溶液にした後、この溶液を5時間還流する。
Example 4 (Production of isobutyl α-cyano p-acetylaminocinnamate) 2.45 g (15 m
After adding 30 ml of isobutyl alcohol to 30 ml of isobutyl cyanoacetate and 10 drops of piperidine to form a solution, the solution is refluxed for 5 hours.

この溶液を−20゜Cに冷却し、一夜放置すると沈澱が
生じる。沈澱物をろ過し、メタノールで洗浄して目的と
する化合物α−シアノーp−アセチルアミノ桂皮酸イソ
プチルを得た。
The solution is cooled to -20°C and left overnight to form a precipitate. The precipitate was filtered and washed with methanol to obtain the target compound α-cyano p-acetylaminocinnamate isoptyl.

収量は、2.45gであった。Yield was 2.45g.

(性質) 生底物のIR及びUVの測定結果を一括して示す。(nature) The results of IR and UV measurements of raw bottom materials are shown together.

I R (K BR) : 3350 (−Co−NH
−).3200〜2900 (−CH:l).2230
 (−CN), 1730 (−CO−0−) , 1700 (−Co−NH−). 1595 (Ar−C=C)  [cm −’]UV 
(EtOH)  : A..X= 350,λcut 
ott ” 430  (nm)更に、得られたα−シ
アノーp−アセチルアξノ桂皮酸イソブチルの微粉末結
晶をNd:YAGレーザー(波長=1.064μm、出
力1 0mJ/パルス)を照射すると、第2高周波が発
生(SHG)L、入射光の1/2の波長(5 3 2 
nm)の緑色光が観測できた。
I R (KBR): 3350 (-Co-NH
−). 3200-2900 (-CH:l). 2230
(-CN), 1730 (-CO-0-), 1700 (-Co-NH-). 1595 (Ar-C=C) [cm-']UV
(EtOH): A. .. X= 350, λcut
ott'' 430 (nm) Furthermore, when the obtained fine powder crystal of isobutyl α-cyano p-acetylaminocinnamate was irradiated with a Nd:YAG laser (wavelength = 1.064 μm, output 10 mJ/pulse), the second High frequency is generated (SHG) L, 1/2 wavelength of the incident light (5 3 2
nm) green light could be observed.

又、SHG効果は、尿素と同程度であった。この結晶は
、室温で安定であり、結晶性に優れ、光損傷は見られな
かった。
Moreover, the SHG effect was comparable to that of urea. This crystal was stable at room temperature, had excellent crystallinity, and showed no photodamage.

(発明の効果) 本発明によれば、室温で安定、結晶性が良好で、吸収単
が短波長領域にあり、SHG活性が大きく、耐光損傷に
優れた有機非線形光学材料を提供することができる。
(Effects of the Invention) According to the present invention, it is possible to provide an organic nonlinear optical material that is stable at room temperature, has good crystallinity, has an absorption unit in a short wavelength region, has high SHG activity, and has excellent resistance to light damage. .

本発明のα−シアノーp−アセチルアミノ桂皮酸エステ
ルは、レーザーの波長変換素子としての使用が可能であ
る等実用上重要な意義を有する。
The α-cyano p-acetylaminocinnamic acid ester of the present invention has important practical significance, such as being able to be used as a wavelength conversion element for a laser.

Claims (1)

【特許請求の範囲】[Claims] (1)下記式(1) ▲数式、化学式、表等があります▼(1) (式中Rは−CH_3、−CH_2CH_3、−CH_
2CH_2CH_3もしくは−CH_2CH(CH_3
)_2を表す。)で表わされるα−シアノ−p−アセチ
ルアミノ桂皮酸エステルからなることを特徴とする有機
非線形光学材料。
(1) The following formula (1) ▲ There are mathematical formulas, chemical formulas, tables, etc. ▼ (1) (In the formula, R is -CH_3, -CH_2CH_3, -CH_
2CH_2CH_3 or -CH_2CH(CH_3
)_2. ) An organic nonlinear optical material comprising an α-cyano-p-acetylaminocinnamic acid ester represented by:
JP5538790A 1989-10-26 1990-03-07 Organic nonlinear optical material Pending JPH03206429A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5538790A JPH03206429A (en) 1989-10-26 1990-03-07 Organic nonlinear optical material

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP28121089 1989-10-26
JP1-281210 1989-10-26
JP5538790A JPH03206429A (en) 1989-10-26 1990-03-07 Organic nonlinear optical material

Publications (1)

Publication Number Publication Date
JPH03206429A true JPH03206429A (en) 1991-09-09

Family

ID=26396284

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5538790A Pending JPH03206429A (en) 1989-10-26 1990-03-07 Organic nonlinear optical material

Country Status (1)

Country Link
JP (1) JPH03206429A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2826365A1 (en) * 2001-06-20 2002-12-27 Oreal PHOTOPROTECTIVE COSMETIC COMPOSITIONS CONTAINING AMIDE, SULFONAMIDE OR AROMATIC ACRYLONITRILE DERIVATIVES AND NOVEL AMIDE, SULFONAMIDE OR ACRYLONITRILE CARBAMATE DERIVATIVES

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2826365A1 (en) * 2001-06-20 2002-12-27 Oreal PHOTOPROTECTIVE COSMETIC COMPOSITIONS CONTAINING AMIDE, SULFONAMIDE OR AROMATIC ACRYLONITRILE DERIVATIVES AND NOVEL AMIDE, SULFONAMIDE OR ACRYLONITRILE CARBAMATE DERIVATIVES
EP1269979A1 (en) * 2001-06-20 2003-01-02 L'oreal Aromatic amide, sulfonamide or carbamate acrylonitrile derivatives and photoprotective cosmetic compositions containing them

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