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1. 发明授权

US4510329A Process for preparing cyclopentenolones 失效
标题翻译：环戊烯酮的制备方法
公开(公告)号：US4510329A
公开(公告)日：1985-04-09
申请号：US211225
申请日：1980-11-28
申请人： Kenji Saito , Hiroshi Yamachika
发明人： Kenji Saito , Hiroshi Yamachika
IPC分类号： C07C45/59
CPC分类号： C07C45/59
摘要： A process for preparing cyclopentenolones of the formula ##STR1## wherein R.sub.1 is an alkyl group having not more than 6 carbon atoms, an alkenyl or alkynyl group having not more than 6 carbon atoms or a group of the formula: ##STR2## in which R.sub.2 is a hydrogen atom, a methyl group or a halogen atom directly from the corresponding furan-carbinols of the formula: ##STR3## wherein R.sub.1 is as defined above in a single step with an excellent yield, characterized in that the furan-carbinols are treated with water in the presence or absence of a catalyst.
摘要翻译：一种制备式IMA的环戊烯酮的方法，其中R 1是不大于6个碳原子的烷基，具有不超过6个碳原子的烯基或炔基或下式的基团：其中R 2 是直接来自相应的呋喃 - 甲醇的氢原子，甲基或卤素原子，其结构式如下：其中R1在单一步骤中具有优异的收率，其特征在于呋喃 - 甲醇被处理在存在或不存在催化剂的情况下使用水。

2. 发明授权

US4347386A Process for preparing cyclopentenolones 失效
标题翻译：环戊烯酮的制备方法
公开(公告)号：US4347386A
公开(公告)日：1982-08-31
申请号：US256570
申请日：1981-04-22
申请人： Kenji Saito , Hiroshi Yamachika
发明人： Kenji Saito , Hiroshi Yamachika
IPC分类号： C07C45/67
CPC分类号： C07C45/67
摘要： A process for preparing cyclopentenolones in good yields which comprises treating a 4-hydroxy-4-R.sub.2 -5-R.sub.1 -2-cyclopentenone of the formula: ##STR1## wherein R.sub.1 is an alkyl group having not more than 6 carbon atoms, an alkenyl group having not more than 6 carbon atoms, an alkynyl group having not more than 6 carbon atoms or a group of the formula: ##STR2## (in which R.sub.3 is hydrogen, methyl or halogen) and R.sub.2 is a hydrogen atom or a methyl group, provided that when R.sub.2 is hydrogen, R.sub.1 is neither .alpha.-methylallyl nor .alpha.-methylpropargyl, in an aqueous medium in the presence or absence of a metal salt at a temperature of 20.degree. to 200.degree. C. to give the corresponding 2-R.sub.1 -3-R.sub.2 -4-hydroxy-2-cyclopentenone of the formula: ##STR3## wherein R.sub.1 and R.sub.2 are each as defined above.
摘要翻译：一种以良好的产率制备环戊烯酮的方法，包括处理下式的4-羟基-4-R2-5-R1-2-环戊烯酮：其中R 1是不大于6个碳原子的烷基，烯基具有不超过6个碳原子的基团，具有不超过6个碳原子的炔基或下式的基团：其中R 3是氢，甲基或卤素，并且R 2是氢原子或甲基条件是当R 2为氢时，R 1在20℃至200℃的温度下，在金属盐存在或不存在下，在含水介质中既不是α-甲基烯丙基也不是α-甲基炔丙基，得到相应的2-R1 -3-R2-4-羟基-2-环戊烯酮，其结构式如下：其中R 1和R 2各自如上所定义。

3. 发明授权

US4398043A Process for preparing cyclopentenolones 失效
标题翻译：环戊烯酮的制备方法
公开(公告)号：US4398043A
公开(公告)日：1983-08-09
申请号：US324135
申请日：1981-11-23
申请人： Kenji Saito , Yukihisa Takisawa , Hiroshi Yamachika
发明人： Kenji Saito , Yukihisa Takisawa , Hiroshi Yamachika
IPC分类号： C07C45/59
CPC分类号： C07C45/59
摘要： A process for preparing cyclopentenolones of the formula: ##STR1## wherein R.sub.1 is a straight, branched or cyclic alkyl group having not more than 6 carbon atoms, a straight, branched or cyclic alkenyl group having not more than 6 carbon atoms, a straight or branched alkynyl group having not more than 6 carbon atoms or a group of the formula: ##STR2## wherein R.sub.2 is a hydrogen atom, a methyl group or a halogen atom directly from the corresponding furan-carbinols of the formula: ##STR3## wherein R.sub.1 is as defined above in a single step with an excellent yield, characterized in that the furan-carbinols are treated with water in the presence or absence of a catalyst.
摘要翻译：一种制备下式的环戊烯酮的方法：其中R 1是不大于6个碳原子的直链，支链或环状烷基，直链或支链或环状碳原子数不多于6的烯基，直链或具有不超过6个碳原子的支链炔基或下式的基团：其中R 2是直接来自下式的相应的呋喃 - 甲醇的氢原子，甲基或卤素原子：其中R 1 在单一步骤中具有优异的产率，其特征在于在存在或不存在催化剂的情况下用水处理呋喃 - 甲醇。

4. 发明授权

US4958033A Process for preparing alcohols 失效
标题翻译：醇的制备方法
公开(公告)号：US4958033A
公开(公告)日：1990-09-18
申请号：US912220
申请日：1986-09-26
申请人： Yukihisa Takisawa , Nobuharu Kono , Kenji Saito , Hiroshi Yamachika
发明人： Yukihisa Takisawa , Nobuharu Kono , Kenji Saito , Hiroshi Yamachika
IPC分类号： B01J27/00 , B01J27/138 , C07B49/00 , C07B61/00 , C07C29/40 , C07C33/042 , C07C33/048 , C07C33/30 , C07C35/06 , C07D307/42 , C07D333/16
CPC分类号： C07D307/42 , C07C29/40 , C07C33/042 , C07C33/048 , C07C33/30 , C07C35/06 , C07D333/16 , C07C2101/08
摘要： A process for preparing an alcohol of the formula: ##STR1## by reacting a carbonyl compound of the formula: ##STR2## or an oxirane of the formula: ##STR3## magnesium and a propargyl halide of the formula: ##STR4## followed by hydrolysis, characterized in that the carbonyl compound (II) or the oxirane compound (III) and the propargyl halide (IV) are reacted simultaneously with magnesium in an inert solvent in the presence of zinc or a halide thereof.
摘要翻译：通过使下式的羰基化合物（II）或下式的环氧乙烷（IMAGE）反应制备下式的醇的方法：（I）或图像（I） III）镁和下式的炔丙基卤化物（IV），然后水解，其特征在于羰基化合物（II）或环氧乙烷化合物（III）和炔丙基卤化物（IV）与镁同时反应在锌或其卤化物存在下的惰性溶剂。

5. 发明授权

US4465862A Cyclopentendione and cyclopentenone 失效
标题翻译：环戊酮和环戊烯酮
公开(公告)号：US4465862A
公开(公告)日：1984-08-14
申请号：US420082
申请日：1982-09-20
申请人： Kenji Saito , Hiroshi Yamachika
发明人： Kenji Saito , Hiroshi Yamachika
IPC分类号： C07C45/29 , C07C45/30 , C07C45/59 , C07C45/67 , C07C45/68 , C07C49/597 , C07C49/613 , C07C49/647 , C07C49/683 , C07C49/707 , C07C49/743 , C07C49/747 , C07D333/22
CPC分类号： C07D333/22 , C07C45/29 , C07C45/292 , C07C45/298 , C07C45/30 , C07C45/59 , C07C45/67 , C07C45/68 , C07C49/597 , C07C49/613 , C07C49/647 , C07C49/683 , C07C49/707 , C07C49/743 , C07C49/747
摘要： A method of producing a 4-hydroxycyclopentenone represented by the formula, ##STR1## wherein R.sub.1 is an alkyl, alkenyl, alkynyl, cycloalkyl, thienyl, phenyl, p-methylbenzyl or benzyl group and R.sub.2 is an alkyl, alkenyl or alkynyl group having 6 or less carbon atom, which comprises reacting a furylcarbinol compound of the formula, ##STR2## wherein R.sub.1 is as defined above, in the presence of an acid in a mixed solvent of water and an organic solvent, to obtain a cyclopentenone compound of the formula, ##STR3## wherein R.sub.1 is as defined above; reacting the cyclopentenone compound in the presence of an oxidizing agent to obtain a cyclopentendione compound of the formula, ##STR4## wherein R.sub.1 is as defined above; reacting the cyclopentendione compound with a Grignard reagent of the formula,R.sub.2 MgXwherein R.sub.2 is as defined above and X is chlorine, bromine or iodine atom, to obtain an oxocyclopentene compound of the formula, ##STR5## wherein R.sub.1 and R.sub.2 are as defined above; and reacting the cyclopentenone compound in the presence of a base.The 4-hydroxycyclopentenones are useful intermediates of agricultural chemicals.

6. 发明授权

US4356326A Process for producing 3-oxocyclopentenes 失效
标题翻译： 3-氧代环戊烯的制备方法
公开(公告)号：US4356326A
公开(公告)日：1982-10-26
申请号：US213632
申请日：1980-12-05
申请人： Kenji Saito , Hiroshi Yamachika
发明人： Kenji Saito , Hiroshi Yamachika
IPC分类号： C07C45/59 , C07C49/707 , C07C49/743 , C07C45/47 , C07C49/573
CPC分类号： C07C45/59 , C07C49/707 , C07C49/743
摘要： A process for producing 3-oxocyclopentenes which comprises treating a furan-carbinol of the formula: ##STR1## wherein R.sub.1 is an alkyl group having not more than 6 carbon atoms, an alkenyl group having not more than 6 carbon atoms, an alkynyl group having not more than 6 carbon atoms or a group of the formula: ##STR2## in which R.sub.2 is a hydrogen atom, a methyl group or a halogen atom in an aqueous medium in the presence or absence of a catalyst at a pH of 3 to 6.5 to give the corresponding 3-oxocyclopentene of the formula: ##STR3## wherein R.sub.1 is as defined above.
摘要翻译：一种生产3-氧代环戊烯的方法，其包括处理下式的呋喃甲醇：其中R1是不大于6个碳原子的烷基，具有不超过6个碳原子的链烯基，在催化剂存在或不存在下，在pH为3〜6.5的情况下，水性介质中的R 2为氢原子，甲基或卤素原子。得到相应的下式的3-氧代环戊烯：其中R 1如上所定义。

7. 发明授权

US4352756A Production of furfuryl alcohols 失效
标题翻译：生产糠醇
公开(公告)号：US4352756A
公开(公告)日：1982-10-05
申请号：US248677
申请日：1981-03-30
申请人： Yukihisa Takisawa , Kenji Saito , Hiroshi Yamachika
发明人： Yukihisa Takisawa , Kenji Saito , Hiroshi Yamachika
IPC分类号： C07D307/42 , C07D307/44
CPC分类号： C07D307/42
摘要： In the production of a furfuryl alcohol of the formula: ##STR1## wherein R.sub.1 is a hydrogen atom or a methyl group and R.sub.2 is an allyl or .alpha.-methylallyl group, by combining the corresponding furfural of the formula: ##STR2## wherein R.sub.1 is as defined above, with magnesium and allyl chloride or .alpha.-methylallyl chloride into a reaction and hydrolysing the resultant product, the improved method wherein tetrahydrofuran or its mixture with at least one aromatic hydrocarbon is used as a reaction medium, and the furfural and allyl chloride or .alpha.-methylallyl chloride are simultaneously added to the reaction medium comprising magnesium, whereby the objective furfuryl alcohol is obtained in high yields.
摘要翻译：在制备下式的糠醇时：其中R 1是氢原子或甲基，R 2是烯丙基或α-甲基烯丙基，通过组合下式的相应糠醛：其中R 1是如上所述，用镁和烯丙基氯或α-甲基烯丙基氯反应并水解所得产物，其中使用四氢呋喃或其与至少一种芳族烃的混合物作为反应介质的改进方法，并且将糠醛和烯丙基氯或α-甲基烯丙基氯同时加入到包含镁的反应介质中，从而以高产率获得目标糠醇。

8. 发明授权

US4371711A Process for producing 4-hydroxycyclopentenones 失效
标题翻译：生产4-羟基环戊烯酮的方法
公开(公告)号：US4371711A
公开(公告)日：1983-02-01
申请号：US151603
申请日：1980-05-20
申请人： Kenji Saito , Hiroshi Yamachika
发明人： Kenji Saito , Hiroshi Yamachika
IPC分类号： C07C45/29 , C07C45/30 , C07C45/59 , C07C45/67 , C07C45/68 , C07C49/597 , C07C49/613 , C07C49/647 , C07C49/683 , C07C49/707 , C07C49/743 , C07C49/747 , C07D333/22 , C07C45/45
CPC分类号： C07D333/22 , C07C45/29 , C07C45/292 , C07C45/298 , C07C45/30 , C07C45/59 , C07C45/67 , C07C45/68 , C07C49/597 , C07C49/613 , C07C49/647 , C07C49/683 , C07C49/707 , C07C49/743 , C07C49/747
摘要： A method of producing a 4-hydroxycyclopentenone represented by the formula, ##STR1## wherein R.sub.1 is an alkyl, alkenyl, alkynyl, cycloalkyl, thienyl, phenyl, p-methylbenzyl or benzyl group and R.sub.2 is an alkyl, alkenyl or alkynyl group having 6 or less carbon atoms, which comprises reacting a furylcarbinol compound of the formula, ##STR2## wherein R.sub.1 is as defined above, in the presence of an acid in a mixed solvent of water and an organic solvent, to obtain a cyclopentenone compound of the formula, ##STR3## wherein R.sub.1 is as defined above; reacting the cyclopentenone compound in the presence of an oxidizing agent to obtain a cyclopentendione compound of the formula, ##STR4## wherein R.sub.1 is a defined above; reacting the cyclopentendione compound with a Grignard reagent of the formula,R.sub.2 MgXwherein R.sub.2 is as defined above and X is chlorine, bromine or iodine atom, to obtain an oxocyclopentene compound of the formula, ##STR5## wherein R.sub.1 and R.sub.2 are as defined above; and reacting the cyclopentenone compound in the presence of a base.The 4-hydroxycyclopentenones are useful intermediates of agricultural chemicals.
摘要翻译：一种由下式表示的4-羟基环戊烯酮的方法，其中R1是烷基，烯基，炔基，环烷基，噻吩基，苯基，对甲基苄基或苄基，R2是具有6个碳原子的烷基，烯基或炔基或更少的碳原子，其包括在酸和有机溶剂的混合溶剂中在酸的存在下使下式的呋喃甲醇化合物，其中R 1如上所定义，得到式（I）的环戊烯酮化合物，＆lt; IMAGE＆gt;其中R1如上所定义; 在氧化剂存在下使环戊烯酮化合物反应，得到下式的环戊二酮化合物，其中R1定义如上; 使环戊二烯化合物与下式的格利雅试剂R2MgX反应，其中R2如上定义，X为氯，溴或碘原子，得到下式的氧代环戊烯化合物，其中R1和R2如上定义; 并在碱的存在下使环戊烯酮化合物反应。 4-羟基环戊烯酮是农药的有用中间体。

9. 发明授权

US4500721A Process for producing benzaldehydes 失效
标题翻译：生产苯甲醛的方法
公开(公告)号：US4500721A
公开(公告)日：1985-02-19
申请号：US468909
申请日：1983-02-23
申请人： Hiroshi Yamachika , Hirotoshi Nakanishi
发明人： Hiroshi Yamachika , Hirotoshi Nakanishi
IPC分类号： B01J25/02 , C07C45/44
CPC分类号： B01J25/02 , C07C45/44
摘要： A process for producing benzaldehydes by catalytic reduction of benzonitriles in the presence of an acid using a Raney nickel catalyst pretreated with a copper salt is disclosed.
摘要翻译：公开了一种通过使用用铜盐预处理的阮内镍催化剂在酸存在下催化还原苯甲腈来生产苯甲醛的方法。

10. 发明授权

US4049720A Process for producing .beta.-isopropyl-naphthalene hydroperoxide 失效
标题翻译：制备{62-异丙基萘氢过氧化物的方法
公开(公告)号：US4049720A
公开(公告)日：1977-09-20
申请号：US551812
申请日：1975-02-21
申请人： Hirokazu Hosaka , Kenji Tanimoto , Hiroshi Yamachika
发明人： Hirokazu Hosaka , Kenji Tanimoto , Hiroshi Yamachika
IPC分类号： C07C409/02 , C07C67/00 , C07C407/00 , C07C409/08 , C07C179/02
CPC分类号： C07C409/08 , C07C407/00 , Y02P20/582
摘要： A process for the continuous production of .beta.-isopropylnaphthalene hydroperoxide comprising oxidizing an isopropylnaphthalene mixture containing .alpha.- and .beta.-isopropylnaphthalene isomers with molecular oxygen or a molecular oxygen containing gas in an oxidation zone and recycling unreacted ispropylnaphthalene recoverd after the oxidation to the oxidation zone, in which the oxidation is carried out by controlling the .alpha.-isopropylnaphthalene content in the isopropylnaphthalene mixture continuously fed to the oxidation zone to about 15% by weight or less.
摘要翻译：连续生产β-异丙基氢过氧化物的方法，包括在氧化区中氧化含有α-和β-异丙基萘异构体的异丙基萘混合物与分子氧或含分子氧的气体，并将氧化后的未反应的异丙基萘回收至氧化区，其中氧化通过将连续进料至氧化区的异丙基萘混合物中的α-异丙基萘含量控制在约15重量％以下来进行。

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